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194415828 = 22319244879
BaseRepresentation
bin10111001011010…
…00110011010100
3111112211100101020
423211220303110
5344232301303
631143001140
74550335665
oct1345506324
9445740336
10194415828
119a819542
12551391b0
1331380669
141bb6b36c
1512104a53
hexb968cd4

194415828 has 36 divisors (see below), whose sum is σ = 478779840. Its totient is φ = 61393104.

The previous prime is 194415827. The next prime is 194415833. The reversal of 194415828 is 828514491.

194415828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 194415828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194415827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18108 + ... + 26771.

It is an arithmetic number, because the mean of its divisors is an integer number (13299440).

Almost surely, 2194415828 is an apocalyptic number.

It is an amenable number.

194415828 is an abundant number, since it is smaller than the sum of its proper divisors (284364012).

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

194415828 is a wasteful number, since it uses less digits than its factorization.

194415828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44924 (or 44903 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 194415828 is about 13943.3076420195. The cubic root of 194415828 is about 579.3093523182.

The spelling of 194415828 in words is "one hundred ninety-four million, four hundred fifteen thousand, eight hundred twenty-eight".