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7920056 = 234312297
BaseRepresentation
bin11110001101100110111000
3112220101021102
4132031212320
54011420211
6441430532
7124214354
oct36154670
915811242
107920056
11451a501
12279b448
131843c31
1410a2464
15a66a3b
hex78d9b8

7920056 has 16 divisors (see below), whose sum is σ = 14891040. Its totient is φ = 3949120.

The previous prime is 7920053. The next prime is 7920061. The reversal of 7920056 is 6500297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920053) by changing a digit.

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, 2300 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (930690).

Almost surely, 27920056 is an apocalyptic number.

It is an amenable number.

7920056 is a deficient number, since it is larger than the sum of its proper divisors (6970984).

7920056 is a wasteful number, since it uses less digits than its factorization.

7920056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 7920056 is about 2814.2594052432. The cubic root of 7920056 is about 199.3315684853.

The spelling of 7920056 in words is "seven million, nine hundred twenty thousand, fifty-six".

Divisors: 1 2 4 8 431 862 1724 2297 3448 4594 9188 18376 990007 1980014 3960028 7920056