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5678920 = 2351367163
BaseRepresentation
bin10101101010011101001000
3101200112000101
4111222131020
52423211140
6321415144
766161422
oct25523510
911615011
105678920
113229725
121a9a4b4
13123ab10
14a7b812
1577299a
hex56a748

5678920 has 64 divisors (see below), whose sum is σ = 14051520. Its totient is φ = 2052864.

The previous prime is 5678903. The next prime is 5678923. The reversal of 5678920 is 298765.

It is a self number, because there is not a number n which added to its sum of digits gives 5678920.

It is not an unprimeable number, because it can be changed into a prime (5678923) 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 15 ways as a sum of consecutive naturals, for example, 34759 + ... + 34921.

It is an arithmetic number, because the mean of its divisors is an integer number (219555).

Almost surely, 25678920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5678920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7025760).

5678920 is an abundant number, since it is smaller than the sum of its proper divisors (8372600).

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

5678920 is a wasteful number, since it uses less digits than its factorization.

5678920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5678920 is about 2383.0484678244. The cubic root of 5678920 is about 178.4111189086.

The spelling of 5678920 in words is "five million, six hundred seventy-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 67 104 130 134 163 260 268 326 335 520 536 652 670 815 871 1304 1340 1630 1742 2119 2680 3260 3484 4238 4355 6520 6968 8476 8710 10595 10921 16952 17420 21190 21842 34840 42380 43684 54605 84760 87368 109210 141973 218420 283946 436840 567892 709865 1135784 1419730 2839460 5678920