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523740980 = 225734710781
BaseRepresentation
bin11111001101111…
…010011100110100
31100111111210120002
4133031322130310
52033034202410
6123545330432
715656503430
oct3715723464
91314453502
10523740980
11249702394
12127496a18
1384678209
144d7b59c0
1530ea77a5
hex1f37a734

523740980 has 48 divisors (see below), whose sum is σ = 1260717696. Its totient is φ = 179034240.

The previous prime is 523740977. The next prime is 523740991. The reversal of 523740980 is 89047325.

It is a super-2 number, since 2×5237409802 = 548609228262720800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43190 + ... + 53970.

It is an arithmetic number, because the mean of its divisors is an integer number (26264952).

Almost surely, 2523740980 is an apocalyptic number.

It is an amenable number.

523740980 is an abundant number, since it is smaller than the sum of its proper divisors (736976716).

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

523740980 is a wasteful number, since it uses less digits than its factorization.

523740980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144 (or 11142 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 523740980 is about 22885.3879145624. The cubic root of 523740980 is about 806.0689373272.

The spelling of 523740980 in words is "five hundred twenty-three million, seven hundred forty thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 347 694 1388 1735 2429 3470 4858 6940 9716 10781 12145 21562 24290 43124 48580 53905 75467 107810 150934 215620 301868 377335 754670 1509340 3741007 7482014 14964028 18705035 26187049 37410070 52374098 74820140 104748196 130935245 261870490 523740980