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3725225928 = 233271932
BaseRepresentation
bin1101111000001010…
…0110111111001000
3100121121200002021200
43132002212333020
530112124212203
61413352304200
7161212616664
oct33602467710
910547602250
103725225928
11164187a416
1287b6a2060
13474a168c8
14274a698a4
1516c09a9a3
hexde0a6fc8

3725225928 has 36 divisors (see below), whose sum is σ = 10090556385. Its totient is φ = 1241569344.

The previous prime is 3725225921. The next prime is 3725225947. The reversal of 3725225928 is 8295225273.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3725225928 is a `hidden beast` number, since 3 + 7 + 2 + 52 + 2 + 592 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2758140324 + 967085604 = 52518^2 + 31098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=43158.

It is a super-2 number, since 2×37252259282 = 27754616429286922368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3725225921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 514300 + ... + 521492.

Almost surely, 23725225928 is an apocalyptic number.

It is an amenable number.

3725225928 is an abundant number, since it is smaller than the sum of its proper divisors (6365330457).

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

3725225928 is an frugal number, since it uses more digits than its factorization.

3725225928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398 (or 7198 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 3725225928 is about 61034.6289248980. The cubic root of 3725225928 is about 1550.1874109847.

The spelling of 3725225928 in words is "three billion, seven hundred twenty-five million, two hundred twenty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 7193 14386 21579 28772 43158 57544 64737 86316 129474 172632 258948 517896 51739249 103478498 155217747 206956996 310435494 413913992 465653241 620870988 931306482 1241741976 1862612964 3725225928