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42856752 = 243892849
BaseRepresentation
bin1010001101111…
…1000100110000
32222122100102010
42203133010300
541432404002
64130322520
71030163541
oct243370460
988570363
1042856752
1122211a04
1212429440
138b56c33
1459984c8
153b6846c
hex28df130

42856752 has 20 divisors (see below), whose sum is σ = 110713400. Its totient is φ = 14285568.

The previous prime is 42856741. The next prime is 42856757. The reversal of 42856752 is 25765824.

It is a self number, because there is not a number n which added to its sum of digits gives 42856752.

It is not an unprimeable number, because it can be changed into a prime (42856757) 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, 446377 + ... + 446472.

It is an arithmetic number, because the mean of its divisors is an integer number (5535670).

Almost surely, 242856752 is an apocalyptic number.

It is an amenable number.

42856752 is an abundant number, since it is smaller than the sum of its proper divisors (67856648).

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

42856752 is a wasteful number, since it uses less digits than its factorization.

42856752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892860 (or 892854 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 42856752 is about 6546.5068548043. The cubic root of 42856752 is about 349.9503385321.

The spelling of 42856752 in words is "forty-two million, eight hundred fifty-six thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 892849 1785698 2678547 3571396 5357094 7142792 10714188 14285584 21428376 42856752