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3725765537 = 131931874733
BaseRepresentation
bin1101111000010010…
…1010101110100001
3100121122200111111012
43132010222232201
530112243444122
61413412030305
7161220325124
oct33604525641
910548614435
103725765537
11164210887a
1287b902395
13474b753c0
14274b6a3bb
1516c1557e2
hexde12aba1

3725765537 has 16 divisors (see below), whose sum is σ = 4225757760. Its totient is φ = 3256448832.

The previous prime is 3725765513. The next prime is 3725765557. The reversal of 3725765537 is 7355675273.

It is a happy number.

3725765537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3725765537 - 222 = 3721571233 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3725765557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784823 + ... + 789555.

It is an arithmetic number, because the mean of its divisors is an integer number (264109860).

Almost surely, 23725765537 is an apocalyptic number.

It is an amenable number.

3725765537 is a deficient number, since it is larger than the sum of its proper divisors (499992223).

3725765537 is a wasteful number, since it uses less digits than its factorization.

3725765537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952.

The product of its digits is 4630500, while the sum is 50.

The square root of 3725765537 is about 61039.0492799487. The cubic root of 3725765537 is about 1550.2622569769.

The spelling of 3725765537 in words is "three billion, seven hundred twenty-five million, seven hundred sixty-five thousand, five hundred thirty-seven".

Divisors: 1 13 19 247 3187 4733 41431 60553 61529 89927 787189 1169051 15084071 196092923 286597349 3725765537