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100842988 = 2225210747
BaseRepresentation
bin1100000001010…
…11110111101100
321000202100120111
412000223313230
5201303433423
614001225404
72333102611
oct600536754
9230670514
10100842988
1151a17914
1229932264
1317b7a40c
14d570508
158cbe60d
hex602bdec

100842988 has 6 divisors (see below), whose sum is σ = 176475236. Its totient is φ = 50421492.

The previous prime is 100842983. The next prime is 100843027. The reversal of 100842988 is 889248001.

It is a self number, because there is not a number n which added to its sum of digits gives 100842988.

It is not an unprimeable number, because it can be changed into a prime (100842983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605370 + ... + 12605377.

Almost surely, 2100842988 is an apocalyptic number.

It is an amenable number.

100842988 is a deficient number, since it is larger than the sum of its proper divisors (75632248).

100842988 is a wasteful number, since it uses less digits than its factorization.

100842988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25210751 (or 25210749 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 100842988 is about 10042.0609438501. The cubic root of 100842988 is about 465.4595033846.

The spelling of 100842988 in words is "one hundred million, eight hundred forty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 25210747 50421494 100842988