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3256870428 = 2232712924089
BaseRepresentation
bin1100001000011111…
…1110011000011100
322101222101011022200
43002013332120130
523132224323203
61255102011500
7143464641030
oct30207763034
98358334280
103256870428
111421466a59
1276a876b90
133cb991186
1422c7901c0
15140dd39a3
hexc21fe61c

3256870428 has 36 divisors (see below), whose sum is σ = 9408737520. Its totient is φ = 930534336.

The previous prime is 3256870411. The next prime is 3256870429. The reversal of 3256870428 is 8240786523.

3256870428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256870429) 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, 6461793 + ... + 6462296.

It is an arithmetic number, because the mean of its divisors is an integer number (261353820).

Almost surely, 23256870428 is an apocalyptic number.

It is an amenable number.

3256870428 is an abundant number, since it is smaller than the sum of its proper divisors (6151867092).

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

3256870428 is a wasteful number, since it uses less digits than its factorization.

3256870428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924106 (or 12924101 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3256870428 is about 57068.9970824790. The cubic root of 3256870428 is about 1482.2910747367.

The spelling of 3256870428 in words is "three billion, two hundred fifty-six million, eight hundred seventy thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 12924089 25848178 38772267 51696356 77544534 90468623 116316801 155089068 180937246 232633602 271405869 361874492 465267204 542811738 814217607 1085623476 1628435214 3256870428