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102320000 = 27541279
BaseRepresentation
bin1100001100101…
…00011110000000
321010112101122122
412012110132000
5202143220000
614053023412
72351464016
oct606243600
9233471578
10102320000
1152836592
122a324b68
13182767a3
14d8368b6
158eb2085
hex6194780

102320000 has 80 divisors (see below), whose sum is σ = 254918400. Its totient is φ = 40896000.

The previous prime is 102319979. The next prime is 102320003. The reversal of 102320000 is 23201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 102320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79361 + ... + 80639.

It is an arithmetic number, because the mean of its divisors is an integer number (3186480).

Almost surely, 2102320000 is an apocalyptic number.

102320000 is a gapful number since it is divisible by the number (10) 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 102320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127459200).

102320000 is an abundant number, since it is smaller than the sum of its proper divisors (152598400).

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

102320000 is an frugal number, since it uses more digits than its factorization.

102320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 102320000 is about 10115.3348931214. The cubic root of 102320000 is about 467.7209723002.

Adding to 102320000 its reverse (23201), we get a palindrome (102343201).

The spelling of 102320000 in words is "one hundred two million, three hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1279 1600 2000 2500 2558 3200 4000 5000 5116 6395 8000 10000 10232 12790 16000 20000 20464 25580 31975 40000 40928 51160 63950 80000 81856 102320 127900 159875 163712 204640 255800 319750 409280 511600 639500 799375 818560 1023200 1279000 1598750 2046400 2558000 3197500 4092800 5116000 6395000 10232000 12790000 20464000 25580000 51160000 102320000