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56966380 = 2252848319
BaseRepresentation
bin1101100101001…
…1110011101100
310222012012011221
43121103303230
5104040411010
65352553124
71261130512
oct331236354
9128165157
1056966380
112a179759
12170b27a4
13ba57223
1477cc4b2
155003dda
hex3653cec

56966380 has 12 divisors (see below), whose sum is σ = 119629440. Its totient is φ = 22786544.

The previous prime is 56966369. The next prime is 56966387. The reversal of 56966380 is 8366965.

It is not an unprimeable number, because it can be changed into a prime (56966387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424140 + ... + 1424179.

It is an arithmetic number, because the mean of its divisors is an integer number (9969120).

Almost surely, 256966380 is an apocalyptic number.

It is an amenable number.

56966380 is an abundant number, since it is smaller than the sum of its proper divisors (62663060).

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

56966380 is a wasteful number, since it uses less digits than its factorization.

56966380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848328 (or 2848326 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 56966380 is about 7547.6075679648. The cubic root of 56966380 is about 384.7744335634.

The spelling of 56966380 in words is "fifty-six million, nine hundred sixty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2848319 5696638 11393276 14241595 28483190 56966380