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56378480 = 245704731
BaseRepresentation
bin1101011100010…
…0010001110000
310221002022201212
43113010101300
5103413102410
65332215252
71253131514
oct327042160
9127068655
1056378480
1129907a94
1216a6a528
13b8ac762
1476b8144
154e39b05
hex35c4470

56378480 has 20 divisors (see below), whose sum is σ = 131080152. Its totient is φ = 22551360.

The previous prime is 56378459. The next prime is 56378489. The reversal of 56378480 is 8487365.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×563784802 = 6357066014220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56378489) 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 3 ways as a sum of consecutive naturals, for example, 352286 + ... + 352445.

Almost surely, 256378480 is an apocalyptic number.

It is an amenable number.

56378480 is an abundant number, since it is smaller than the sum of its proper divisors (74701672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56378480 is a wasteful number, since it uses less digits than its factorization.

56378480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704744 (or 704738 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 56378480 is about 7508.5604479154. The cubic root of 56378480 is about 383.4462141835.

The spelling of 56378480 in words is "fifty-six million, three hundred seventy-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 704731 1409462 2818924 3523655 5637848 7047310 11275696 14094620 28189240 56378480