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193713144 = 2338071381
BaseRepresentation
bin10111000101111…
…01001111111000
3111111111122110220
423202331033320
5344042310034
631115540040
74541351232
oct1342751770
9444448426
10193713144
119a389609
1254a5a620
1331195881
141ba27252
1512016749
hexb8bd3f8

193713144 has 16 divisors (see below), whose sum is σ = 484282920. Its totient is φ = 64571040.

The previous prime is 193713139. The next prime is 193713173. The reversal of 193713144 is 441317391.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4035667 + ... + 4035714.

Almost surely, 2193713144 is an apocalyptic number.

It is an amenable number.

193713144 is an abundant number, since it is smaller than the sum of its proper divisors (290569776).

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

193713144 is a wasteful number, since it uses less digits than its factorization.

193713144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071390 (or 8071386 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 193713144 is about 13918.0869375069. The cubic root of 193713144 is about 578.6105703395.

The spelling of 193713144 in words is "one hundred ninety-three million, seven hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 8071381 16142762 24214143 32285524 48428286 64571048 96856572 193713144