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193000864 = 2571750683
BaseRepresentation
bin10111000000011…
…11010110100000
3111110011110102011
423200033112200
5343402011424
631052402304
74532323510
oct1340172640
9443143364
10193000864
1199a42451
1254776394
1330ca65c4
141b8bd840
1511e25694
hexb80f5a0

193000864 has 48 divisors (see below), whose sum is σ = 459805248. Its totient is φ = 77847552.

The previous prime is 193000849. The next prime is 193000867. The reversal of 193000864 is 468000391.

It is not an unprimeable number, because it can be changed into a prime (193000867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21534 + ... + 29149.

It is an arithmetic number, because the mean of its divisors is an integer number (9579276).

Almost surely, 2193000864 is an apocalyptic number.

193000864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

193000864 is an abundant number, since it is smaller than the sum of its proper divisors (266804384).

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

193000864 is a wasteful number, since it uses less digits than its factorization.

193000864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717 (or 50709 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 193000864 is about 13892.4750854554. The cubic root of 193000864 is about 577.9005188720.

The spelling of 193000864 in words is "one hundred ninety-three million, eight hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1904 3808 50683 101366 202732 354781 405464 709562 810928 861611 1419124 1621856 1723222 2838248 3446444 5676496 6031277 6892888 11352992 12062554 13785776 24125108 27571552 48250216 96500432 193000864