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620117125 = 534960937
BaseRepresentation
bin100100111101100…
…011110010000101
31121012212012202221
4210331203302011
52232222222000
6141311132341
721236623435
oct4475436205
91535765687
10620117125
112990491a1
121538140b1
139b620414
145c5022c5
153969361a
hex24f63c85

620117125 has 8 divisors (see below), whose sum is σ = 773906328. Its totient is φ = 496093600.

The previous prime is 620117089. The next prime is 620117129. The reversal of 620117125 is 521711026.

620117125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66879684 + 553237441 = 8178^2 + 23521^2 .

It is not a de Polignac number, because 620117125 - 29 = 620116613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620117125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620117129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480344 + ... + 2480593.

It is an arithmetic number, because the mean of its divisors is an integer number (96738291).

Almost surely, 2620117125 is an apocalyptic number.

It is an amenable number.

620117125 is a deficient number, since it is larger than the sum of its proper divisors (153789203).

620117125 is an equidigital number, since it uses as much as digits as its factorization.

620117125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960952 (or 4960942 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 620117125 is about 24902.1510115090. The cubic root of 620117125 is about 852.7555899526.

The spelling of 620117125 in words is "six hundred twenty million, one hundred seventeen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 4960937 24804685 124023425 620117125