Search a number
-
+
38850220 = 2252384457
BaseRepresentation
bin1001010000110…
…0111010101100
32201002210111001
42110030322230
534421201340
63504410044
7651135643
oct224147254
981083431
1038850220
111aa25822
1211016924
1380833c6
14523435a
15362629a
hex250ceac

38850220 has 24 divisors (see below), whose sum is σ = 85133664. Its totient is φ = 14864256.

The previous prime is 38850209. The next prime is 38850233. The reversal of 38850220 is 2205883.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41769 + ... + 42688.

It is an arithmetic number, because the mean of its divisors is an integer number (3547236).

Almost surely, 238850220 is an apocalyptic number.

It is an amenable number.

38850220 is an abundant number, since it is smaller than the sum of its proper divisors (46283444).

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

38850220 is a wasteful number, since it uses less digits than its factorization.

38850220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84489 (or 84487 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 38850220 is about 6232.9944649422. The cubic root of 38850220 is about 338.6864543140.

The spelling of 38850220 in words is "thirty-eight million, eight hundred fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 84457 168914 337828 422285 844570 1689140 1942511 3885022 7770044 9712555 19425110 38850220