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38213163 = 324245907
BaseRepresentation
bin1001000111000…
…1011000101011
32122220102121100
42101301120223
534240310123
63443012443
7642543432
oct221613053
978812540
1038213163
111a63012a
121096a123
137bbc451
14510a119
15354c643
hex247162b

38213163 has 6 divisors (see below), whose sum is σ = 55196804. Its totient is φ = 25475436.

The previous prime is 38213137. The next prime is 38213171. The reversal of 38213163 is 36131283.

It is a happy number.

It is not a de Polignac number, because 38213163 - 221 = 36116011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38213363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2122945 + ... + 2122962.

Almost surely, 238213163 is an apocalyptic number.

38213163 is a deficient number, since it is larger than the sum of its proper divisors (16983641).

38213163 is a wasteful number, since it uses less digits than its factorization.

38213163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245913 (or 4245910 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 38213163 is about 6181.6796261210. The cubic root of 38213163 is about 336.8250081341.

The spelling of 38213163 in words is "thirty-eight million, two hundred thirteen thousand, one hundred sixty-three".

Divisors: 1 3 9 4245907 12737721 38213163