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8690042 = 237432731
BaseRepresentation
bin100001001001…
…100101111010
3121100111111102
4201021211322
54211040132
6510131402
7133602254
oct41114572
917314442
108690042
1149a5a59
122ab0b62
131a5354a
141222cd4
15b69c62
hex84997a

8690042 has 16 divisors (see below), whose sum is σ = 13703712. Its totient is φ = 4127760.

The previous prime is 8690041. The next prime is 8690063. The reversal of 8690042 is 2400968.

It is a junction number, because it is equal to n+sod(n) for n = 8689987 and 8690014.

It is not an unprimeable number, because it can be changed into a prime (8690041) 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 7 ways as a sum of consecutive naturals, for example, 1817 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (856482).

Almost surely, 28690042 is an apocalyptic number.

8690042 is a deficient number, since it is larger than the sum of its proper divisors (5013670).

8690042 is a wasteful number, since it uses less digits than its factorization.

8690042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8690042 is about 2947.8877183502. The cubic root of 8690042 is about 205.5925114736.

The spelling of 8690042 in words is "eight million, six hundred ninety thousand, forty-two".

Divisors: 1 2 37 43 74 86 1591 2731 3182 5462 101047 117433 202094 234866 4345021 8690042