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194292137 = 1361491499
BaseRepresentation
bin10111001010010…
…10100110101001
3111112121001201002
423211022212221
5344214322022
631140204345
74546312244
oct1345124651
9445531632
10194292137
119a744616
12550996b5
1331339280
141bb3825b
15120cd092
hexb94a9a9

194292137 has 16 divisors (see below), whose sum is σ = 213528000. Its totient is φ = 175694400.

The previous prime is 194292107. The next prime is 194292187. The reversal of 194292137 is 731292491.

194292137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 194292137 - 212 = 194288041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194292137.

It is not an unprimeable number, because it can be changed into a prime (194292107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389114 + ... + 389612.

It is an arithmetic number, because the mean of its divisors is an integer number (13345500).

Almost surely, 2194292137 is an apocalyptic number.

It is an amenable number.

194292137 is a deficient number, since it is larger than the sum of its proper divisors (19235863).

194292137 is a wasteful number, since it uses less digits than its factorization.

194292137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 27216, while the sum is 38.

The square root of 194292137 is about 13938.8714392522. The cubic root of 194292137 is about 579.1864704257.

The spelling of 194292137 in words is "one hundred ninety-four million, two hundred ninety-two thousand, one hundred thirty-seven".

Divisors: 1 13 61 491 499 793 6383 6487 29951 30439 245009 389363 395707 3185117 14945549 194292137