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5620438685 = 514917894217
BaseRepresentation
bin1010011110000000…
…10001011010011101
3112111200211212102202
411033000101122131
543002313014220
62325413301245
7256164640421
oct51700213235
915450755382
105620438685
112424655854
12110a334825
136b7562484
143b4648b81
1522d660275
hex14f01169d

5620438685 has 16 divisors (see below), whose sum is σ = 6795198000. Its totient is φ = 4462619136.

The previous prime is 5620438669. The next prime is 5620438709. The reversal of 5620438685 is 5868340265.

It can be written as a sum of positive squares in 8 ways, for example, as 239042521 + 5381396164 = 15461^2 + 73358^2 .

It is not a de Polignac number, because 5620438685 - 24 = 5620438669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330697 + ... + 1334913.

It is an arithmetic number, because the mean of its divisors is an integer number (424699875).

Almost surely, 25620438685 is an apocalyptic number.

It is an amenable number.

5620438685 is a deficient number, since it is larger than the sum of its proper divisors (1174759315).

5620438685 is a wasteful number, since it uses less digits than its factorization.

5620438685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The square root of 5620438685 is about 74969.5850662120. The cubic root of 5620438685 is about 1777.9658078557.

The spelling of 5620438685 in words is "five billion, six hundred twenty million, four hundred thirty-eight thousand, six hundred eighty-five".

Divisors: 1 5 149 745 1789 4217 8945 21085 266561 628333 1332805 3141665 7544213 37721065 1124087737 5620438685