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102745192 = 23111167559
BaseRepresentation
bin1100001111111…
…00010001101000
321011022222220111
412013330101220
5202300321232
614110104104
72355214444
oct607742150
9234288814
10102745192
1152aa6a90
122a4ab034
1318395194
14d907824
159048047
hex61fc468

102745192 has 16 divisors (see below), whose sum is σ = 210160800. Its totient is φ = 46702320.

The previous prime is 102745171. The next prime is 102745199. The reversal of 102745192 is 291547201.

It is not an unprimeable number, because it can be changed into a prime (102745199) 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 3 ways as a sum of consecutive naturals, for example, 583692 + ... + 583867.

It is an arithmetic number, because the mean of its divisors is an integer number (13135050).

Almost surely, 2102745192 is an apocalyptic number.

It is an amenable number.

102745192 is an abundant number, since it is smaller than the sum of its proper divisors (107415608).

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

102745192 is a wasteful number, since it uses less digits than its factorization.

102745192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167576 (or 1167572 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 102745192 is about 10136.3303024319. The cubic root of 102745192 is about 468.3679503406.

The spelling of 102745192 in words is "one hundred two million, seven hundred forty-five thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 1167559 2335118 4670236 9340472 12843149 25686298 51372596 102745192