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100149430 = 2573137191
BaseRepresentation
bin1011111100000…
…10100010110110
320222110010012011
411332002202312
5201114240210
613534314434
72324153563
oct576024266
9228403164
10100149430
1151593827
1229658a1a
1317996824
14d42d86a
158bd3d8a
hex5f828b6

100149430 has 16 divisors (see below), whose sum is σ = 182739744. Its totient is φ = 39510720.

The previous prime is 100149421. The next prime is 100149457. The reversal of 100149430 is 34941001.

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, 67866 + ... + 69325.

It is an arithmetic number, because the mean of its divisors is an integer number (11421234).

Almost surely, 2100149430 is an apocalyptic number.

100149430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100149430 is a deficient number, since it is larger than the sum of its proper divisors (82590314).

100149430 is a wasteful number, since it uses less digits than its factorization.

100149430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137271.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 100149430 is about 10007.4687109179. The cubic root of 100149430 is about 464.3899658371.

The spelling of 100149430 in words is "one hundred million, one hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 137191 274382 685955 1371910 10014943 20029886 50074715 100149430