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5251895072 = 252325572
BaseRepresentation
bin1001110010000100…
…11000111100100000
3111120000100220122022
410321002120330200
541223441120242
62225050201012
7244101241304
oct47102307440
914500326568
105251895072
112255615556
121026a23168
136590b5a28
1437b711d04
1520b1120d2
hex139098f20

5251895072 has 54 divisors (see below), whose sum is σ = 10828205073. Its totient is φ = 2507266432.

The previous prime is 5251895059. The next prime is 5251895083. The reversal of 5251895072 is 2705981525.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4111887376 + 1140007696 = 64124^2 + 33764^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=51244.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9428618 + ... + 9429174.

Almost surely, 25251895072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251895072

5251895072 is an abundant number, since it is smaller than the sum of its proper divisors (5576310001).

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

5251895072 is an frugal number, since it uses more digits than its factorization.

5251895072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5251895072 is about 72469.9597902469. The cubic root of 5251895072 is about 1738.2224185805. Note that the first 3 decimals are identical.

The spelling of 5251895072 in words is "five billion, two hundred fifty-one million, eight hundred ninety-five thousand, seventy-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 529 557 736 1058 1114 2116 2228 4232 4456 8464 8912 12811 16928 17824 25622 51244 102488 204976 294653 310249 409952 589306 620498 1178612 1240996 2357224 2481992 4714448 4963984 7135727 9428896 9927968 14271454 28542908 57085816 114171632 164121721 228343264 328243442 656486884 1312973768 2625947536 5251895072