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56983906 = 277975107
BaseRepresentation
bin1101100101100…
…0000101100010
310222020002020001
43121120011202
5104041441111
65353210214
71261232560
oct331300542
9128202201
1056983906
112a190941
121710096a
13ba621b5
1477d4a30
1550091c1
hex3658162

56983906 has 16 divisors (see below), whose sum is σ = 97828416. Its totient is φ = 24386256.

The previous prime is 56983879. The next prime is 56983909. The reversal of 56983906 is 60938965.

It is not an unprimeable number, because it can be changed into a prime (56983909) 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, 8605 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (6114276).

Almost surely, 256983906 is an apocalyptic number.

56983906 is a deficient number, since it is larger than the sum of its proper divisors (40844510).

56983906 is a wasteful number, since it uses less digits than its factorization.

56983906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 56983906 is about 7548.7685088364. The cubic root of 56983906 is about 384.8138887958.

It can be divided in two parts, 5698 and 3906, that added together give a square (9604 = 982).

The spelling of 56983906 in words is "fifty-six million, nine hundred eighty-three thousand, nine hundred six".

Divisors: 1 2 7 14 797 1594 5107 5579 10214 11158 35749 71498 4070279 8140558 28491953 56983906