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194256494 = 21913139023
BaseRepresentation
bin10111001010000…
…01111001101110
3111112112020210222
423211001321232
5344212201434
631135331342
74546103315
oct1345017156
9445466728
10194256494
119a71a863
1255080b52
1331325c93
141bb2927c
15120c272e
hexb941e6e

194256494 has 16 divisors (see below), whose sum is σ = 309070080. Its totient is φ = 91311480.

The previous prime is 194256479. The next prime is 194256523. The reversal of 194256494 is 494652491.

It is a super-2 number, since 2×1942564942 = 75471170922344072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 14534 + ... + 24489.

It is an arithmetic number, because the mean of its divisors is an integer number (19316880).

Almost surely, 2194256494 is an apocalyptic number.

194256494 is a deficient number, since it is larger than the sum of its proper divisors (114813586).

194256494 is a wasteful number, since it uses less digits than its factorization.

194256494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39175.

The product of its digits is 311040, while the sum is 44.

The square root of 194256494 is about 13937.5928337715. The cubic root of 194256494 is about 579.1510509002.

The spelling of 194256494 in words is "one hundred ninety-four million, two hundred fifty-six thousand, four hundred ninety-four".

Divisors: 1 2 19 38 131 262 2489 4978 39023 78046 741437 1482874 5112013 10224026 97128247 194256494