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102475460 = 22531197839
BaseRepresentation
bin1100001101110…
…10011011000100
321010211021220102
412012322123010
5202213203320
614100223232
72353012163
oct606723304
9233737812
10102475460
115293236a
122a39ab18
13182cc489
14d8773da
158ee3175
hex61ba6c4

102475460 has 48 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 39419520.

The previous prime is 102475427. The next prime is 102475469. The reversal of 102475460 is 64574201.

It is not an unprimeable number, because it can be changed into a prime (102475469) 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, 121721 + ... + 122559.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2102475460 is an apocalyptic number.

102475460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102475460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).

102475460 is an abundant number, since it is smaller than the sum of its proper divisors (121058620).

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

102475460 is a wasteful number, since it uses less digits than its factorization.

102475460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 102475460 is about 10123.0163488952. The cubic root of 102475460 is about 467.9577298857.

The spelling of 102475460 in words is "one hundred two million, four hundred seventy-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 197 310 394 620 788 839 985 1678 1970 3356 3940 4195 6107 8390 12214 16780 24428 26009 30535 52018 61070 104036 122140 130045 165283 260090 330566 520180 661132 826415 1652830 3305660 5123773 10247546 20495092 25618865 51237730 102475460