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368497989 = 32192698011
BaseRepresentation
bin10101111101101…
…101010101000101
3221200101122012200
4111331231111011
51223313413424
6100322105113
712063116106
oct2575552505
9850348180
10368497989
1117a009aa2
12a34ab199
135b461a62
1436d243ad
152253e8c9
hex15f6d545

368497989 has 24 divisors (see below), whose sum is σ = 562442400. Its totient is φ = 231841440.

The previous prime is 368497981. The next prime is 368498017. The reversal of 368497989 is 989794863.

368497989 is a `hidden beast` number, since 3 + 68 + 497 + 9 + 89 = 666.

It is not a de Polignac number, because 368497989 - 23 = 368497981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368497981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41994 + ... + 50004.

It is an arithmetic number, because the mean of its divisors is an integer number (23435100).

Almost surely, 2368497989 is an apocalyptic number.

It is an amenable number.

368497989 is a deficient number, since it is larger than the sum of its proper divisors (193944411).

368497989 is a wasteful number, since it uses less digits than its factorization.

368497989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305 (or 8302 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 368497989 is about 19196.3014406422. The cubic root of 368497989 is about 716.9326745955.

The spelling of 368497989 in words is "three hundred sixty-eight million, four hundred ninety-seven thousand, nine hundred eighty-nine".

Divisors: 1 3 9 19 57 171 269 807 2421 5111 8011 15333 24033 45999 72099 152209 456627 1369881 2154959 6464877 19394631 40944221 122832663 368497989