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100193140 = 2256774771
BaseRepresentation
bin1011111100011…
…01001101110100
320222112100011001
411332031031310
5201122140030
613535253044
72324425165
oct576151564
9228470131
10100193140
1151613653
122967a184
13179b06a8
14d44176c
158be1cca
hex5f8d374

100193140 has 24 divisors (see below), whose sum is σ = 213548832. Its totient is φ = 39478560.

The previous prime is 100193131. The next prime is 100193167. The reversal of 100193140 is 41391001.

It is a happy number.

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, 36046 + ... + 38725.

It is an arithmetic number, because the mean of its divisors is an integer number (8897868).

Almost surely, 2100193140 is an apocalyptic number.

100193140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100193140 is an abundant number, since it is smaller than the sum of its proper divisors (113355692).

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

100193140 is a wasteful number, since it uses less digits than its factorization.

100193140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74847 (or 74845 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100193140 is about 10009.6523416151. The cubic root of 100193140 is about 464.4575166727.

The spelling of 100193140 in words is "one hundred million, one hundred ninety-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 74771 149542 299084 373855 747710 1495420 5009657 10019314 20038628 25048285 50096570 100193140