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193256068 = 221719149579
BaseRepresentation
bin10111000010011…
…01101010000100
3111110122102111011
423201031222010
5343433143233
631102052004
74534435525
oct1341155204
9443572434
10193256068
119a0a7165
125487a004
1331065805
141b94884c
1511e760cd
hexb84da84

193256068 has 24 divisors (see below), whose sum is σ = 376941600. Its totient is φ = 86156928.

The previous prime is 193256023. The next prime is 193256081. The reversal of 193256068 is 860652391.

It is a self number, because there is not a number n which added to its sum of digits gives 193256068.

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, 73498 + ... + 76081.

It is an arithmetic number, because the mean of its divisors is an integer number (15705900).

Almost surely, 2193256068 is an apocalyptic number.

It is an amenable number.

193256068 is a deficient number, since it is larger than the sum of its proper divisors (183685532).

193256068 is a wasteful number, since it uses less digits than its factorization.

193256068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149619 (or 149617 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 193256068 is about 13901.6570235350. The cubic root of 193256068 is about 578.1551249284.

The spelling of 193256068 in words is "one hundred ninety-three million, two hundred fifty-six thousand, sixty-eight".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 149579 299158 598316 2542843 2842001 5085686 5684002 10171372 11368004 48314017 96628034 193256068