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3725796690 = 2345711314147
BaseRepresentation
bin1101111000010011…
…0010010101010010
3100121122202002020000
43132010302111102
530112300443230
61413412430430
7161220515010
oct33604622522
910548662200
103725796690
11164212a220
1287b918416
13474b86635
14274b778b0
1516c15eb60
hexde132552

3725796690 has 640 divisors, whose sum is σ = 13488685056. Its totient is φ = 715392000.

The previous prime is 3725796667. The next prime is 3725796707. The reversal of 3725796690 is 966975273.

3725796690 is a `hidden beast` number, since 3 + 7 + 2 + 579 + 6 + 69 + 0 = 666.

It is a super-2 number, since 2×37257966902 = 27763121950429912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 79272247 + ... + 79272293.

Almost surely, 23725796690 is an apocalyptic number.

3725796690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3725796690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6744342528).

3725796690 is an abundant number, since it is smaller than the sum of its proper divisors (9762888366).

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

3725796690 is a wasteful number, since it uses less digits than its factorization.

3725796690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The square root of 3725796690 is about 61039.3044685144. The cubic root of 3725796690 is about 1550.2665778057.

The spelling of 3725796690 in words is "three billion, seven hundred twenty-five million, seven hundred ninety-six thousand, six hundred ninety".