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48218680 = 2351205467
BaseRepresentation
bin1011011111110…
…0001000111000
310100201202121001
42313330020320
544320444210
64441254344
71123565146
oct267741070
9110652531
1048218680
1125244454
12141943b4
139cb3683
146592596
15437703a
hex2dfc238

48218680 has 16 divisors (see below), whose sum is σ = 108492120. Its totient is φ = 19287456.

The previous prime is 48218669. The next prime is 48218693. The reversal of 48218680 is 8681284.

It is a super-2 number, since 2×482186802 = 4650082201884800, which contains 22 as substring.

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, 602694 + ... + 602773.

Almost surely, 248218680 is an apocalyptic number.

48218680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48218680 is an abundant number, since it is smaller than the sum of its proper divisors (60273440).

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

48218680 is a wasteful number, since it uses less digits than its factorization.

48218680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205478 (or 1205474 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 48218680 is about 6943.9671658210. The cubic root of 48218680 is about 363.9751824645.

The spelling of 48218680 in words is "forty-eight million, two hundred eighteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1205467 2410934 4821868 6027335 9643736 12054670 24109340 48218680