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42757704 = 23321153987
BaseRepresentation
bin1010001100011…
…0111001001000
32222110022112200
42203012321020
541421221304
64124240200
71026302013
oct243067110
988408480
1042757704
1122154550
12123a0060
138b20b22
14597037a
153b48e39
hex28c6e48

42757704 has 48 divisors (see below), whose sum is σ = 126331920. Its totient is φ = 12956640.

The previous prime is 42757679. The next prime is 42757721. The reversal of 42757704 is 40775724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26202 + ... + 27785.

It is an arithmetic number, because the mean of its divisors is an integer number (2631915).

Almost surely, 242757704 is an apocalyptic number.

42757704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42757704 is an abundant number, since it is smaller than the sum of its proper divisors (83574216).

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

42757704 is a wasteful number, since it uses less digits than its factorization.

42757704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54010 (or 54003 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 42757704 is about 6538.9375283757. The cubic root of 42757704 is about 349.6805357069.

The spelling of 42757704 in words is "forty-two million, seven hundred fifty-seven thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 53987 107974 161961 215948 323922 431896 485883 593857 647844 971766 1187714 1295688 1781571 1943532 2375428 3563142 3887064 4750856 5344713 7126284 10689426 14252568 21378852 42757704