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42828256 = 251797477
BaseRepresentation
bin1010001101100…
…0000111100000
32222120220022201
42203120013200
541431001011
64125542544
71030014502
oct243300740
988526281
1042828256
11221a2559
1212414a54
138b46c83
14598bd72
153b5ecc1
hex28d81e0

42828256 has 24 divisors (see below), whose sum is σ = 84800520. Its totient is φ = 21291648.

The previous prime is 42828251. The next prime is 42828257. The reversal of 42828256 is 65282824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42828251) 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, 1990 + ... + 9466.

It is an arithmetic number, because the mean of its divisors is an integer number (3533355).

Almost surely, 242828256 is an apocalyptic number.

It is an amenable number.

42828256 is a deficient number, since it is larger than the sum of its proper divisors (41972264).

42828256 is a wasteful number, since it uses less digits than its factorization.

42828256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7658 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 42828256 is about 6544.3300650258. The cubic root of 42828256 is about 349.8727591900.

The spelling of 42828256 in words is "forty-two million, eight hundred twenty-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 179 358 716 1432 2864 5728 7477 14954 29908 59816 119632 239264 1338383 2676766 5353532 10707064 21414128 42828256