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38868478 = 2111766749
BaseRepresentation
bin1001010001000…
…1010111111110
32201010201112021
42110101113332
534422242403
63505030354
7651243115
oct224212776
981121467
1038868478
111aa38510
12110253ba
13808b7cc
14523ac7c
15362b8bd
hex25115fe

38868478 has 8 divisors (see below), whose sum is σ = 63603000. Its totient is φ = 17667480.

The previous prime is 38868437. The next prime is 38868493. The reversal of 38868478 is 87486883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883353 + ... + 883396.

It is an arithmetic number, because the mean of its divisors is an integer number (7950375).

Almost surely, 238868478 is an apocalyptic number.

38868478 is a deficient number, since it is larger than the sum of its proper divisors (24734522).

38868478 is a wasteful number, since it uses less digits than its factorization.

38868478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766762.

The product of its digits is 2064384, while the sum is 52.

The square root of 38868478 is about 6234.4589179816. The cubic root of 38868478 is about 338.7395022232.

The spelling of 38868478 in words is "thirty-eight million, eight hundred sixty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 11 22 1766749 3533498 19434239 38868478