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523120000 = 275413503
BaseRepresentation
bin11111001011100…
…010110110000000
31100110100020201211
4133023202312000
52032404320000
6123524135504
715651306124
oct3713426600
91313306654
10523120000
11249318887
12127237594
13844bb680
144d693584
1530dd37ba
hex1f2e2d80

523120000 has 160 divisors (see below), whose sum is σ = 1405237680. Its totient is φ = 192768000.

The previous prime is 523119991. The next prime is 523120001. The reversal of 523120000 is 21325.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523120001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1039749 + ... + 1040251.

Almost surely, 2523120000 is an apocalyptic number.

523120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702618840).

523120000 is an abundant number, since it is smaller than the sum of its proper divisors (882117680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523120000 is an equidigital number, since it uses as much as digits as its factorization.

523120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 523120000 is about 22871.8167183982. The cubic root of 523120000 is about 805.7502361199.

Adding to 523120000 its reverse (21325), we get a palindrome (523141325).

The spelling of 523120000 in words is "five hundred twenty-three million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 128 130 160 200 208 250 260 320 325 400 416 500 503 520 625 640 650 800 832 1000 1006 1040 1250 1300 1600 1625 1664 2000 2012 2080 2500 2515 2600 3200 3250 4000 4024 4160 5000 5030 5200 6500 6539 8000 8048 8125 8320 10000 10060 10400 12575 13000 13078 16000 16096 16250 20000 20120 20800 25150 26000 26156 32192 32500 32695 40000 40240 41600 50300 52000 52312 62875 64384 65000 65390 80000 80480 100600 104000 104624 125750 130000 130780 160960 163475 201200 208000 209248 251500 260000 261560 314375 321920 326950 402400 418496 503000 520000 523120 628750 653900 804800 817375 836992 1006000 1040000 1046240 1257500 1307800 1609600 1634750 2012000 2092480 2515000 2615600 3269500 4024000 4086875 4184960 5030000 5231200 6539000 8048000 8173750 10060000 10462400 13078000 16347500 20120000 20924800 26156000 32695000 40240000 52312000 65390000 104624000 130780000 261560000 523120000