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4572988 = 227163321
BaseRepresentation
bin10001011100011100111100
322121022221221
4101130130330
52132313423
6242003124
753604220
oct21343474
98538857
104572988
112643832
1216464a4
13c41614
14870780
15604e5d
hex45c73c

4572988 has 12 divisors (see below), whose sum is σ = 9146032. Its totient is φ = 1959840.

The previous prime is 4572979. The next prime is 4572989. The reversal of 4572988 is 8892754.

4572988 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81633 + ... + 81688.

Almost surely, 24572988 is an apocalyptic number.

It is an amenable number.

4572988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4572988 is a wasteful number, since it uses less digits than its factorization.

4572988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163332 (or 163330 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 4572988 is about 2138.4545821691. The cubic root of 4572988 is about 165.9841761662.

The spelling of 4572988 in words is "four million, five hundred seventy-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 163321 326642 653284 1143247 2286494 4572988