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4256228560 = 24553202857
BaseRepresentation
bin1111110110110000…
…1110010011010000
3101222121211210221211
43331230032103100
532204043303220
61542201425504
7210321226423
oct37554162320
911877753854
104256228560
111894591571
129a949b294
1352aa3514c
142c53b19ba
1519d9d9b5a
hexfdb0e4d0

4256228560 has 20 divisors (see below), whose sum is σ = 9895731588. Its totient is φ = 1702491392.

The previous prime is 4256228549. The next prime is 4256228593. The reversal of 4256228560 is 658226524.

It can be written as a sum of positive squares in 2 ways, for example, as 1405950016 + 2850278544 = 37496^2 + 53388^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26601349 + ... + 26601508.

Almost surely, 24256228560 is an apocalyptic number.

4256228560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4256228560 is an abundant number, since it is smaller than the sum of its proper divisors (5639503028).

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

4256228560 is a wasteful number, since it uses less digits than its factorization.

4256228560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53202870 (or 53202864 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 4256228560 is about 65239.7774367755. Note that the first 3 decimals coincide. The cubic root of 4256228560 is about 1620.5968130778.

The spelling of 4256228560 in words is "four billion, two hundred fifty-six million, two hundred twenty-eight thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 53202857 106405714 212811428 266014285 425622856 532028570 851245712 1064057140 2128114280 4256228560