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100208144 = 2421312939
BaseRepresentation
bin1011111100100…
…00111000010000
320222120002201202
411332100320100
5201123130034
613535450332
72324520011
oct576207020
9228502652
10100208144
1151623953
12296869a8
13179b747a
14d447008
158be647e
hex5f90e10

100208144 has 20 divisors (see below), whose sum is σ = 194310480. Its totient is φ = 50063520.

The previous prime is 100208123. The next prime is 100208161. The reversal of 100208144 is 441802001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32627 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (9715524).

Almost surely, 2100208144 is an apocalyptic number.

It is an amenable number.

100208144 is a deficient number, since it is larger than the sum of its proper divisors (94102336).

100208144 is a wasteful number, since it uses less digits than its factorization.

100208144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 100208144 is about 10010.4017901381. The cubic root of 100208144 is about 464.4806998060.

The spelling of 100208144 in words is "one hundred million, two hundred eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 2131 2939 4262 5878 8524 11756 17048 23512 34096 47024 6263009 12526018 25052036 50104072 100208144