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5214978 = 232289721
BaseRepresentation
bin10011111001001100000010
3100210221121100
4103321030002
52313334403
6303435230
762220006
oct23711402
910727540
105214978
112a420aa
1218b5b16
1311078b2
1499a706
156d02a3
hex4f9302

5214978 has 12 divisors (see below), whose sum is σ = 11299158. Its totient is φ = 1738320.

The previous prime is 5214961. The next prime is 5214991. The reversal of 5214978 is 8794125.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 1306449 = 1977^2 + 1143^2 .

It is a d-powerful number, because it can be written as 58 + 214 + 1 + 46 + 97 + 75 + 84 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144843 + ... + 144878.

Almost surely, 25214978 is an apocalyptic number.

5214978 is an abundant number, since it is smaller than the sum of its proper divisors (6084180).

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

5214978 is a wasteful number, since it uses less digits than its factorization.

5214978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289729 (or 289726 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5214978 is about 2283.6326324521. The cubic root of 5214978 is about 173.4140017349.

The spelling of 5214978 in words is "five million, two hundred fourteen thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 9 18 289721 579442 869163 1738326 2607489 5214978