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625210052 = 22277564269
BaseRepresentation
bin100101010000111…
…111001011000100
31121120102221221212
4211100333023010
52240023210202
6142012230552
721331124555
oct4520771304
91546387855
10625210052
112a0a07625
1215546b458
139c6b459c
145d06a32c
1539d4c652
hex2543f2c4

625210052 has 12 divisors (see below), whose sum is σ = 1098069420. Its totient is φ = 311475936.

The previous prime is 625210051. The next prime is 625210057. The reversal of 625210052 is 250012526.

It can be written as a sum of positive squares in 2 ways, for example, as 147525316 + 477684736 = 12146^2 + 21856^2 .

It is not an unprimeable number, because it can be changed into a prime (625210051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281027 + ... + 283242.

It is an arithmetic number, because the mean of its divisors is an integer number (91505785).

Almost surely, 2625210052 is an apocalyptic number.

It is an amenable number.

625210052 is a deficient number, since it is larger than the sum of its proper divisors (472859368).

625210052 is a wasteful number, since it uses less digits than its factorization.

625210052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564550 (or 564548 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 625210052 is about 25004.2006870846. The cubic root of 625210052 is about 855.0837449748.

Adding to 625210052 its reverse (250012526), we get a palindrome (875222578).

The spelling of 625210052 in words is "six hundred twenty-five million, two hundred ten thousand, fifty-two".

Divisors: 1 2 4 277 554 1108 564269 1128538 2257076 156302513 312605026 625210052