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4728872 = 231953587
BaseRepresentation
bin10010000010100000101000
322220020210102
4102002200220
52202310442
6245204532
755123541
oct22024050
98806712
104728872
11273a965
121700748
13c97565
148b14c8
15636232
hex482828

4728872 has 32 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 2193984.

The previous prime is 4728799. The next prime is 4728883. The reversal of 4728872 is 2788274.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an Ulam number.

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, 7763 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (297675).

Almost surely, 24728872 is an apocalyptic number.

It is an amenable number.

4728872 is an abundant number, since it is smaller than the sum of its proper divisors (4796728).

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

4728872 is a wasteful number, since it uses less digits than its factorization.

4728872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 661 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 4728872 is about 2174.5969741541. The cubic root of 4728872 is about 167.8491654490.

The spelling of 4728872 in words is "four million, seven hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 53 76 106 152 212 424 587 1007 1174 2014 2348 4028 4696 8056 11153 22306 31111 44612 62222 89224 124444 248888 591109 1182218 2364436 4728872