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194252379 = 3718910247
BaseRepresentation
bin10111001010000…
…00111001011011
3111112112001011120
423211000321123
5344212034004
631135300323
74546055316
oct1345007133
9445461146
10194252379
119a717762
125507a6a3
1331324149
141bb2797d
15120c13d9
hexb940e5b

194252379 has 16 divisors (see below), whose sum is σ = 265628160. Its totient is φ = 126230720.

The previous prime is 194252351. The next prime is 194252381. The reversal of 194252379 is 973252491.

194252379 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 194252379 - 225 = 160697947 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 194252379.

It is not an unprimeable number, because it can be changed into a prime (194252309) 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, 13834 + ... + 24080.

It is an arithmetic number, because the mean of its divisors is an integer number (16601760).

Almost surely, 2194252379 is an apocalyptic number.

194252379 is a deficient number, since it is larger than the sum of its proper divisors (71375781).

194252379 is a wasteful number, since it uses less digits than its factorization.

194252379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410.

The product of its digits is 136080, while the sum is 42.

The square root of 194252379 is about 13937.4452106546. The cubic root of 194252379 is about 579.1469614215.

The spelling of 194252379 in words is "one hundred ninety-four million, two hundred fifty-two thousand, three hundred seventy-nine".

Divisors: 1 3 71 89 213 267 6319 10247 18957 30741 727537 911983 2182611 2735949 64750793 194252379