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8156042 = 25969119
BaseRepresentation
bin11111000111001110001010
3120100100222122
4133013032022
54041443132
6450451242
7126216356
oct37071612
916310878
108156042
114670834
122893b22
1318c747b
141124466
15ab1912
hex7c738a

8156042 has 8 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 4008844.

The previous prime is 8156023. The next prime is 8156063. The reversal of 8156042 is 2406518.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×81560422 = 133042042211528, which contains 22 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34442 + ... + 34677.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 28156042 is an apocalyptic number.

8156042 is a deficient number, since it is larger than the sum of its proper divisors (4285558).

8156042 is a wasteful number, since it uses less digits than its factorization.

8156042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69180.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8156042 is about 2855.8784988161. The cubic root of 8156042 is about 201.2919858905.

The spelling of 8156042 in words is "eight million, one hundred fifty-six thousand, forty-two".

Divisors: 1 2 59 118 69119 138238 4078021 8156042