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670831252 = 227131996997
BaseRepresentation
bin100111111111000…
…001001010010100
31201202021202110221
4213333001022110
52333213100002
6150322124124
722423654150
oct4777011224
91652252427
10670831252
113147374a3
121687b0644
13a8c98890
1465144060
153dd5ec37
hex27fc1294

670831252 has 48 divisors (see below), whose sum is σ = 1520928640. Its totient is φ = 251413632.

The previous prime is 670831247. The next prime is 670831267. The reversal of 670831252 is 252138076.

It is a happy number.

670831252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 41583 + ... + 55414.

Almost surely, 2670831252 is an apocalyptic number.

It is an amenable number.

670831252 is an abundant number, since it is smaller than the sum of its proper divisors (850097388).

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

670831252 is a wasteful number, since it uses less digits than its factorization.

670831252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97040 (or 97038 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 670831252 is about 25900.4102670209. The cubic root of 670831252 is about 875.3957402279.

The spelling of 670831252 in words is "six hundred seventy million, eight hundred thirty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 7 13 14 19 26 28 38 52 76 91 133 182 247 266 364 494 532 988 1729 3458 6916 96997 193994 387988 678979 1260961 1357958 1842943 2521922 2715916 3685886 5043844 7371772 8826727 12900601 17653454 23958259 25801202 35306908 47916518 51602404 95833036 167707813 335415626 670831252