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42657008 = 243836961
BaseRepresentation
bin1010001010111…
…0010011110000
32222021012102012
42202232103300
541410011013
64122142052
71025402312
oct242562360
988235365
1042657008
1122095929
1212351928
138ab7044
1459457b2
153b291a8
hex28ae4f0

42657008 has 20 divisors (see below), whose sum is σ = 82875648. Its totient is φ = 21269760.

The previous prime is 42656987. The next prime is 42657031. The reversal of 42657008 is 80075624.

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, 2648 + ... + 9608.

Almost surely, 242657008 is an apocalyptic number.

It is an amenable number.

42657008 is a deficient number, since it is larger than the sum of its proper divisors (40218640).

42657008 is a wasteful number, since it uses less digits than its factorization.

42657008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 42657008 is about 6531.2332679212. The cubic root of 42657008 is about 349.4058163343.

The spelling of 42657008 in words is "forty-two million, six hundred fifty-seven thousand, eight".

Divisors: 1 2 4 8 16 383 766 1532 3064 6128 6961 13922 27844 55688 111376 2666063 5332126 10664252 21328504 42657008