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5305978 = 21927349
BaseRepresentation
bin10100001111011001111010
3100222120102201
4110033121322
52324242403
6305420414
763046216
oct24173172
910876381
105305978
112aa4507
12193a70a
13113a142
149c1946
156ec21d
hex50f67a

5305978 has 12 divisors (see below), whose sum is σ = 8401050. Its totient is φ = 2513016.

The previous prime is 5305973. The next prime is 5305981. The reversal of 5305978 is 8795035.

It can be written as a sum of positive squares in only one way, i.e., 4133089 + 1172889 = 2033^2 + 1083^2 .

It is not an unprimeable number, because it can be changed into a prime (5305973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2953 + ... + 4396.

Almost surely, 25305978 is an apocalyptic number.

5305978 is a deficient number, since it is larger than the sum of its proper divisors (3095072).

5305978 is a wasteful number, since it uses less digits than its factorization.

5305978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5305978 is about 2303.4708593772. The cubic root of 5305978 is about 174.4168672138.

The spelling of 5305978 in words is "five million, three hundred five thousand, nine hundred seventy-eight".

Divisors: 1 2 19 38 361 722 7349 14698 139631 279262 2652989 5305978