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42764884 = 2227139451
BaseRepresentation
bin1010001100100…
…0101001010100
32222110200101121
42203020221110
541421434014
64124333324
71026331651
oct243105124
988420347
1042764884
1122159988
12123a4244
138b24186
145972c28
153b4b124
hex28c8a54

42764884 has 12 divisors (see below), whose sum is σ = 75116608. Its totient is φ = 21303000.

The previous prime is 42764873. The next prime is 42764893. The reversal of 42764884 is 48846724.

It is a self number, because there is not a number n which added to its sum of digits gives 42764884.

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, 18642 + ... + 20809.

Almost surely, 242764884 is an apocalyptic number.

It is an amenable number.

42764884 is a deficient number, since it is larger than the sum of its proper divisors (32351724).

42764884 is a wasteful number, since it uses less digits than its factorization.

42764884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726 (or 39724 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 42764884 is about 6539.4865241852. The cubic root of 42764884 is about 349.7001077410.

The spelling of 42764884 in words is "forty-two million, seven hundred sixty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 271 542 1084 39451 78902 157804 10691221 21382442 42764884