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628692130 = 251117336199
BaseRepresentation
bin100101011110010…
…001010010100010
31121210222212110201
4211132101102202
52241421122010
6142215015414
721402536443
oct4536212242
91553885421
10628692130
112a2975780
1215666a56a
13a03334a1
145d6d52ca
153a2d923a
hex257914a2

628692130 has 32 divisors (see below), whose sum is σ = 1307145600. Its totient is φ = 215166720.

The previous prime is 628692109. The next prime is 628692137. The reversal of 628692130 is 31296826.

It is a self number, because there is not a number n which added to its sum of digits gives 628692130.

It is not an unprimeable number, because it can be changed into a prime (628692137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166230 + ... + 169969.

It is an arithmetic number, because the mean of its divisors is an integer number (40848300).

Almost surely, 2628692130 is an apocalyptic number.

628692130 is an abundant number, since it is smaller than the sum of its proper divisors (678453470).

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

628692130 is a wasteful number, since it uses less digits than its factorization.

628692130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336234.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 628692130 is about 25073.7338663391. The cubic root of 628692130 is about 856.6682565608.

The spelling of 628692130 in words is "six hundred twenty-eight million, six hundred ninety-two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 336199 672398 1680995 3361990 3698189 5715383 7396378 11430766 18490945 28576915 36981890 57153830 62869213 125738426 314346065 628692130