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38894020 = 22511176791
BaseRepresentation
bin1001010001011…
…1100111000100
32201012000120021
42110113213010
534424102040
63505344524
7651410434
oct224274704
981160507
1038894020
111aa55720
1211038144
13809a319
1452462c4
15363424a
hex25179c4

38894020 has 24 divisors (see below), whose sum is σ = 89103168. Its totient is φ = 14143200.

The previous prime is 38893999. The next prime is 38894021. The reversal of 38894020 is 2049883.

It is not an unprimeable number, because it can be changed into a prime (38894021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88176 + ... + 88615.

It is an arithmetic number, because the mean of its divisors is an integer number (3712632).

Almost surely, 238894020 is an apocalyptic number.

It is an amenable number.

38894020 is an abundant number, since it is smaller than the sum of its proper divisors (50209148).

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

38894020 is a wasteful number, since it uses less digits than its factorization.

38894020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176811 (or 176809 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 38894020 is about 6236.5070351921. The cubic root of 38894020 is about 338.8136856429.

The spelling of 38894020 in words is "thirty-eight million, eight hundred ninety-four thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 176791 353582 707164 883955 1767910 1944701 3535820 3889402 7778804 9723505 19447010 38894020