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8057542 = 24028771
BaseRepresentation
bin11110101111001011000110
3120011100212111
4132233023012
54030320132
6444411234
7125326243
oct36571306
916140774
108057542
114603829
122846b1a
13189169c
1410da5ca
15a92647
hex7af2c6

8057542 has 4 divisors (see below), whose sum is σ = 12086316. Its totient is φ = 4028770.

The previous prime is 8057513. The next prime is 8057549. The reversal of 8057542 is 2457508.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8057549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014384 + ... + 2014387.

It is an arithmetic number, because the mean of its divisors is an integer number (3021579).

Almost surely, 28057542 is an apocalyptic number.

8057542 is a deficient number, since it is larger than the sum of its proper divisors (4028774).

8057542 is a wasteful number, since it uses less digits than its factorization.

8057542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028773.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 8057542 is about 2838.5809835198. The cubic root of 8057542 is about 200.4783715577.

The spelling of 8057542 in words is "eight million, fifty-seven thousand, five hundred forty-two".

Divisors: 1 2 4028771 8057542