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3872628315 = 32586058407
BaseRepresentation
bin1110011011010011…
…1001111001011011
3100222220000220100100
43212310321321123
530412343101230
61440135510443
7164652540363
oct34664717133
910886026310
103872628315
111707aa7a76
12900b28423
1349941635a
1428a4799a3
15179eb5660
hexe6d39e5b

3872628315 has 12 divisors (see below), whose sum is σ = 6712555824. Its totient is φ = 2065401744.

The previous prime is 3872628313. The next prime is 3872628337. The reversal of 3872628315 is 5138262783.

3872628315 is a `hidden beast` number, since 3 + 8 + 7 + 2 + 628 + 3 + 15 = 666.

It is not a de Polignac number, because 3872628315 - 21 = 3872628313 is a prime.

It is a super-2 number, since 2×38726283152 = 29994500132279478450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 86058407 = 3872628315 / (3 + 8 + 7 + 2 + 6 + 2 + 8 + 3 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (3872628313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43029159 + ... + 43029248.

It is an arithmetic number, because the mean of its divisors is an integer number (559379652).

Almost surely, 23872628315 is an apocalyptic number.

3872628315 is a deficient number, since it is larger than the sum of its proper divisors (2839927509).

3872628315 is a wasteful number, since it uses less digits than its factorization.

3872628315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86058418 (or 86058415 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3872628315 is about 62230.4452418589. The cubic root of 3872628315 is about 1570.3698149749.

The spelling of 3872628315 in words is "three billion, eight hundred seventy-two million, six hundred twenty-eight thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 45 86058407 258175221 430292035 774525663 1290876105 3872628315