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103189864 = 23171096961
BaseRepresentation
bin1100010011010…
…00110101101000
321012011120212211
412021220311220
5202404033424
614123414504
72362046041
oct611506550
9235146784
10103189864
1153280088
122a684434
13184bc6bb
14d9c18c8
1590d4b94
hex6268d68

103189864 has 32 divisors (see below), whose sum is σ = 206771400. Its totient is φ = 48107520.

The previous prime is 103189843. The next prime is 103189871. The reversal of 103189864 is 468981301.

It can be written as a sum of positive squares in 4 ways, for example, as 103184964 + 4900 = 10158^2 + 70^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11344 + ... + 18304.

Almost surely, 2103189864 is an apocalyptic number.

It is an amenable number.

103189864 is an abundant number, since it is smaller than the sum of its proper divisors (103581536).

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

103189864 is a wasteful number, since it uses less digits than its factorization.

103189864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 103189864 is about 10158.2411863472. The cubic root of 103189864 is about 469.0426627736.

The spelling of 103189864 in words is "one hundred three million, one hundred eighty-nine thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 17 34 68 109 136 218 436 872 1853 3706 6961 7412 13922 14824 27844 55688 118337 236674 473348 758749 946696 1517498 3034996 6069992 12898733 25797466 51594932 103189864