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194882868 = 22334738393
BaseRepresentation
bin10111001110110…
…10110100110100
3111120201002001000
423213122310310
5344342222433
631201003300
74554322425
oct1347326464
9446632030
10194882868
11a0008424
1255323530
13314b510b
141bc4d64c
1512198113
hexb9dad34

194882868 has 48 divisors (see below), whose sum is σ = 516015360. Its totient is φ = 63577152.

The previous prime is 194882827. The next prime is 194882869. The reversal of 194882868 is 868288491.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194882869) 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, 14121 + ... + 24272.

It is an arithmetic number, because the mean of its divisors is an integer number (10750320).

Almost surely, 2194882868 is an apocalyptic number.

194882868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194882868 is an abundant number, since it is smaller than the sum of its proper divisors (321132492).

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

194882868 is a wasteful number, since it uses less digits than its factorization.

194882868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38453 (or 38445 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 194882868 is about 13960.0454153989. The cubic root of 194882868 is about 579.7728678625.

The spelling of 194882868 in words is "one hundred ninety-four million, eight hundred eighty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 2538 5076 38393 76786 115179 153572 230358 345537 460716 691074 1036611 1382148 1804471 2073222 3608942 4146444 5413413 7217884 10826826 16240239 21653652 32480478 48720717 64960956 97441434 194882868