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252830888 = 2397325813
BaseRepresentation
bin11110001000111…
…10010010101000
3122121202010202222
433010132102220
51004211042023
641031013212
76160012202
oct1704362250
9577663688
10252830888
1111a797652
127080a208
13404c409b
1425815772
15172e2cc8
hexf11e4a8

252830888 has 16 divisors (see below), whose sum is σ = 478946580. Its totient is φ = 125111808.

The previous prime is 252830869. The next prime is 252830899. The reversal of 252830888 is 888038252.

It can be written as a sum of positive squares in 2 ways, for example, as 234151204 + 18679684 = 15302^2 + 4322^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 162131 + ... + 163682.

Almost surely, 2252830888 is an apocalyptic number.

It is an amenable number.

252830888 is a deficient number, since it is larger than the sum of its proper divisors (226115692).

252830888 is a wasteful number, since it uses less digits than its factorization.

252830888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325916 (or 325912 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 252830888 is about 15900.6568417786. The cubic root of 252830888 is about 632.3294028705.

The spelling of 252830888 in words is "two hundred fifty-two million, eight hundred thirty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 97 194 388 776 325813 651626 1303252 2606504 31603861 63207722 126415444 252830888