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625670123 = 13208923039
BaseRepresentation
bin100101010010101…
…111011111101011
31121121022100001112
4211102233133223
52240132420443
6142030140535
721335052101
oct4522573753
91547270045
10625670123
112a11a1251
1215565174b
139c815b10
145d149c71
1539dddb18
hex254af7eb

625670123 has 8 divisors (see below), whose sum is σ = 674150400. Its totient is φ = 577240128.

The previous prime is 625670119. The next prime is 625670147. The reversal of 625670123 is 321076526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625670123 - 22 = 625670119 is a prime.

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 625670123.

It is not an unprimeable number, because it can be changed into a prime (625670153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15638 + ... + 38676.

It is an arithmetic number, because the mean of its divisors is an integer number (84268800).

Almost surely, 2625670123 is an apocalyptic number.

625670123 is a deficient number, since it is larger than the sum of its proper divisors (48480277).

625670123 is a wasteful number, since it uses less digits than its factorization.

625670123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 625670123 is about 25013.3988694060. The cubic root of 625670123 is about 855.2934359820.

The spelling of 625670123 in words is "six hundred twenty-five million, six hundred seventy thousand, one hundred twenty-three".

Divisors: 1 13 2089 23039 27157 299507 48128471 625670123