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42887624 = 23131512731
BaseRepresentation
bin1010001110011…
…0100111001000
32222200220202112
42203212213020
541434400444
64131121452
71030352543
oct243464710
988626675
1042887624
112223311a
1212443288
138b67cc0
1459a585a
153b7269e
hex28e69c8

42887624 has 32 divisors (see below), whose sum is σ = 87205440. Its totient is φ = 19656000.

The previous prime is 42887609. The next prime is 42887627. The reversal of 42887624 is 42678824.

It is not an unprimeable number, because it can be changed into a prime (42887627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14339 + ... + 17069.

It is an arithmetic number, because the mean of its divisors is an integer number (2725170).

Almost surely, 242887624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42887624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43602720).

42887624 is an abundant number, since it is smaller than the sum of its proper divisors (44317816).

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

42887624 is a wasteful number, since it uses less digits than its factorization.

42887624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2897 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 42887624 is about 6548.8643290268. The cubic root of 42887624 is about 350.0343476496.

The spelling of 42887624 in words is "forty-two million, eight hundred eighty-seven thousand, six hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 151 302 604 1208 1963 2731 3926 5462 7852 10924 15704 21848 35503 71006 142012 284024 412381 824762 1649524 3299048 5360953 10721906 21443812 42887624