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100889960 = 23523109663
BaseRepresentation
bin1100000001101…
…11010101101000
321000211202000012
412000313111220
5201311434320
614002231052
72333356553
oct600672550
9230752005
10100889960
1151a4a136
1229955488
1317b95902
14d58369a
158ccd4c5
hex6037568

100889960 has 32 divisors (see below), whose sum is σ = 236874240. Its totient is φ = 38601024.

The previous prime is 100889939. The next prime is 100889963. The reversal of 100889960 is 69988001.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (100889963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53912 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (7402320).

Almost surely, 2100889960 is an apocalyptic number.

100889960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100889960 is an abundant number, since it is smaller than the sum of its proper divisors (135984280).

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

100889960 is a wasteful number, since it uses less digits than its factorization.

100889960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109697 (or 109693 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 100889960 is about 10044.3994345108. The cubic root of 100889960 is about 465.5317614909.

The spelling of 100889960 in words is "one hundred million, eight hundred eighty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 109663 219326 438652 548315 877304 1096630 2193260 2522249 4386520 5044498 10088996 12611245 20177992 25222490 50444980 100889960