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194112740 = 22519510823
BaseRepresentation
bin10111001000111…
…10110011100100
3111112020221121202
423210132303210
5344143101430
631132302032
74544634233
oct1344366344
9445227552
10194112740
119a631858
1255011918
13312a5713
141baccb1a
1512094d45
hexb91ece4

194112740 has 24 divisors (see below), whose sum is σ = 429092160. Its totient is φ = 73558368.

The previous prime is 194112719. The next prime is 194112757. The reversal of 194112740 is 47211491.

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, 255032 + ... + 255791.

It is an arithmetic number, because the mean of its divisors is an integer number (17878840).

Almost surely, 2194112740 is an apocalyptic number.

194112740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194112740 is an abundant number, since it is smaller than the sum of its proper divisors (234979420).

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

194112740 is a wasteful number, since it uses less digits than its factorization.

194112740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510851 (or 510849 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 194112740 is about 13932.4348195138. The cubic root of 194112740 is about 579.0081542179.

The spelling of 194112740 in words is "one hundred ninety-four million, one hundred twelve thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 510823 1021646 2043292 2554115 5108230 9705637 10216460 19411274 38822548 48528185 97056370 194112740