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42008888 = 2338913499
BaseRepresentation
bin1010000001000…
…0000100111000
32221001021100202
42200100010320
541223241023
64100221332
71020032615
oct240200470
987037322
1042008888
1121792999
121209a848
13891b03c
14581750c
153a4c128
hex2810138

42008888 has 16 divisors (see below), whose sum is σ = 78975000. Its totient is φ = 20948896.

The previous prime is 42008881. The next prime is 42008891. The reversal of 42008888 is 88880024.

42008888 is a modest number, since divided by 8888 gives 4200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42008881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638 + ... + 9861.

Almost surely, 242008888 is an apocalyptic number.

It is an amenable number.

42008888 is a deficient number, since it is larger than the sum of its proper divisors (36966112).

42008888 is a wasteful number, since it uses less digits than its factorization.

42008888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13894 (or 13890 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 42008888 is about 6481.4263862209. The cubic root of 42008888 is about 347.6271825408.

The spelling of 42008888 in words is "forty-two million, eight thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 389 778 1556 3112 13499 26998 53996 107992 5251111 10502222 21004444 42008888