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3870256052 = 221374428001
BaseRepresentation
bin1110011010101111…
…0110101110110100
3100222201120101012202
43212223312232310
530411241143202
61440013004032
7164623430225
oct34653665664
910881511182
103870256052
111706727723
12900183618
13498a95650
1428a01d24c
15179b97802
hexe6af6bb4

3870256052 has 12 divisors (see below), whose sum is σ = 7293944196. Its totient is φ = 1786272000.

The previous prime is 3870256051. The next prime is 3870256087. The reversal of 3870256052 is 2506520783.

It can be written as a sum of positive squares in 2 ways, for example, as 174345616 + 3695910436 = 13204^2 + 60794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3870255997 and 3870256015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870256051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37213949 + ... + 37214052.

It is an arithmetic number, because the mean of its divisors is an integer number (607828683).

Almost surely, 23870256052 is an apocalyptic number.

It is an amenable number.

3870256052 is a deficient number, since it is larger than the sum of its proper divisors (3423688144).

3870256052 is a wasteful number, since it uses less digits than its factorization.

3870256052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74428018 (or 74428016 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 3870256052 is about 62211.3820132618. The cubic root of 3870256052 is about 1570.0490947094.

The spelling of 3870256052 in words is "three billion, eight hundred seventy million, two hundred fifty-six thousand, fifty-two".

Divisors: 1 2 4 13 26 52 74428001 148856002 297712004 967564013 1935128026 3870256052