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193921302 = 2332320217
BaseRepresentation
bin10111000111100…
…00000100010110
3111111220020000110
423203300010112
5344120440202
631124223450
74543206141
oct1343600426
9444806013
10193921302
119a510a43
1254b3ab86
1331239543
141ba7d058
151205826c
hexb8f0116

193921302 has 8 divisors (see below), whose sum is σ = 387842616. Its totient is φ = 64640432.

The previous prime is 193921279. The next prime is 193921309. The reversal of 193921302 is 203129391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

193921302 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 193921302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193921309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16160103 + ... + 16160114.

It is an arithmetic number, because the mean of its divisors is an integer number (48480327).

Almost surely, 2193921302 is an apocalyptic number.

193921302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

193921302 is a wasteful number, since it uses less digits than its factorization.

193921302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32320222.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 193921302 is about 13925.5628970609. The cubic root of 193921302 is about 578.8177483367.

The spelling of 193921302 in words is "one hundred ninety-three million, nine hundred twenty-one thousand, three hundred two".

Divisors: 1 2 3 6 32320217 64640434 96960651 193921302