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102312052 = 22171504589
BaseRepresentation
bin1100001100100…
…10100001110100
321010111222202021
412012102201310
5202142441202
614052522524
72351431603
oct606224164
9233458667
10102312052
1152830617
122a320444
1318272c9b
14d833a3a
158eaea37
hex6192874

102312052 has 12 divisors (see below), whose sum is σ = 189578340. Its totient is φ = 48146816.

The previous prime is 102312043. The next prime is 102312079. The reversal of 102312052 is 250213201.

It can be written as a sum of positive squares in 2 ways, for example, as 65999376 + 36312676 = 8124^2 + 6026^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752227 + ... + 752362.

It is an arithmetic number, because the mean of its divisors is an integer number (15798195).

Almost surely, 2102312052 is an apocalyptic number.

It is an amenable number.

102312052 is a deficient number, since it is larger than the sum of its proper divisors (87266288).

102312052 is a wasteful number, since it uses less digits than its factorization.

102312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504610 (or 1504608 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102312052 is about 10114.9420166405. The cubic root of 102312052 is about 467.7088614632.

Adding to 102312052 its reverse (250213201), we get a palindrome (352525253).

The spelling of 102312052 in words is "one hundred two million, three hundred twelve thousand, fifty-two".

Divisors: 1 2 4 17 34 68 1504589 3009178 6018356 25578013 51156026 102312052