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42470874 = 2327929867
BaseRepresentation
bin1010001000000…
…0110111011010
32221220202002100
42202000313122
541333031444
64114144230
71023665535
oct242006732
987822070
1042470874
1121a78aa6
1212282076
138a503c4
1458d7a1c
153adde69
hex2880dda

42470874 has 24 divisors (see below), whose sum is σ = 93188160. Its totient is φ = 13977288.

The previous prime is 42470873. The next prime is 42470881. The reversal of 42470874 is 47807424.

It is not an unprimeable number, because it can be changed into a prime (42470873) by changing a digit.

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, 13512 + ... + 16355.

It is an arithmetic number, because the mean of its divisors is an integer number (3882840).

Almost surely, 242470874 is an apocalyptic number.

42470874 is an abundant number, since it is smaller than the sum of its proper divisors (50717286).

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

42470874 is a wasteful number, since it uses less digits than its factorization.

42470874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29954 (or 29951 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 42470874 is about 6516.9681601186. The cubic root of 42470874 is about 348.8968641860.

The spelling of 42470874 in words is "forty-two million, four hundred seventy thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 29867 59734 89601 179202 268803 537606 2359493 4718986 7078479 14156958 21235437 42470874