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102989936 = 2473129663
BaseRepresentation
bin1100010001110…
…00000001110000
321011210102122002
412020320001300
5202331134221
614115233132
72360254130
oct610700160
9234712562
10102989936
1153153955
122a5a87a8
131844c6ba
14d96cac0
15909580b
hex6238070

102989936 has 40 divisors (see below), whose sum is σ = 235413504. Its totient is φ = 42713280.

The previous prime is 102989917. The next prime is 102989941. The reversal of 102989936 is 639989201.

It is a congruent number.

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, 11360 + ... + 18303.

Almost surely, 2102989936 is an apocalyptic number.

102989936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102989936 is an abundant number, since it is smaller than the sum of its proper divisors (132423568).

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

102989936 is a wasteful number, since it uses less digits than its factorization.

102989936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29709 (or 29703 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 102989936 is about 10148.3957352874. The cubic root of 102989936 is about 468.7395471210.

The spelling of 102989936 in words is "one hundred two million, nine hundred eighty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1736 3472 29663 59326 118652 207641 237304 415282 474608 830564 919553 1661128 1839106 3322256 3678212 6436871 7356424 12873742 14712848 25747484 51494968 102989936