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20197368 = 2332319049
BaseRepresentation
bin100110100001…
…0111111111000
31102000010120200
41031002333320
520132303433
62000522200
7333450312
oct115027770
942003520
1020197368
1110445644
126920360
134252209
14297a7b2
151b8e613
hex1342ff8

20197368 has 48 divisors (see below), whose sum is σ = 56472000. Its totient is φ = 6514560.

The previous prime is 20197349. The next prime is 20197391. The reversal of 20197368 is 86379102.

20197368 is a `hidden beast` number, since 201 + 97 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (1176500).

Almost surely, 220197368 is an apocalyptic number.

It is an amenable number.

20197368 is an abundant number, since it is smaller than the sum of its proper divisors (36274632).

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

20197368 is a wasteful number, since it uses less digits than its factorization.

20197368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9092 (or 9085 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 20197368 is about 4494.1481951533. The cubic root of 20197368 is about 272.3317391238.

The spelling of 20197368 in words is "twenty million, one hundred ninety-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 9049 18098 27147 36196 54294 72392 81441 108588 162882 217176 280519 325764 561038 651528 841557 1122076 1683114 2244152 2524671 3366228 5049342 6732456 10098684 20197368