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102452930 = 2585911927
BaseRepresentation
bin1100001101101…
…00111011000010
321010210010222222
412012310323002
5202211443210
614055531042
72352556406
oct606647302
9233703888
10102452930
1152917448
122a389a82
13182c2148
14d86d106
158edb655
hex61b4ec2

102452930 has 16 divisors (see below), whose sum is σ = 184645440. Its totient is φ = 40930032.

The previous prime is 102452927. The next prime is 102452939. The reversal of 102452930 is 39254201.

It is a self number, because there is not a number n which added to its sum of digits gives 102452930.

It is not an unprimeable number, because it can be changed into a prime (102452939) 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 7 ways as a sum of consecutive naturals, for example, 2627 + ... + 14553.

It is an arithmetic number, because the mean of its divisors is an integer number (11540340).

Almost surely, 2102452930 is an apocalyptic number.

102452930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102452930 is a deficient number, since it is larger than the sum of its proper divisors (82192510).

102452930 is a wasteful number, since it uses less digits than its factorization.

102452930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102452930 is about 10121.9034771134. The cubic root of 102452930 is about 467.9234326975.

The spelling of 102452930 in words is "one hundred two million, four hundred fifty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 859 1718 4295 8590 11927 23854 59635 119270 10245293 20490586 51226465 102452930