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5306778 = 232294821
BaseRepresentation
bin10100001111100110011010
3100222121112100
4110033212122
52324304103
6305424230
763051441
oct24174632
910877470
105306778
112aa5074
12193b076
13113a609
149c1d58
156ec5a3
hex50f99a

5306778 has 12 divisors (see below), whose sum is σ = 11498058. Its totient is φ = 1768920.

The previous prime is 5306761. The next prime is 5306783. The reversal of 5306778 is 8776035.

It can be written as a sum of positive squares in only one way, i.e., 4272489 + 1034289 = 2067^2 + 1017^2 .

It is an Ulam number.

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, 147393 + ... + 147428.

Almost surely, 25306778 is an apocalyptic number.

5306778 is an abundant number, since it is smaller than the sum of its proper divisors (6191280).

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

5306778 is a wasteful number, since it uses less digits than its factorization.

5306778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294829 (or 294826 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 5306778 is about 2303.6445038243. The cubic root of 5306778 is about 174.4256325776.

It can be divided in two parts, 5306 and 778, that added together give a square (6084 = 782).

The spelling of 5306778 in words is "five million, three hundred six thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 9 18 294821 589642 884463 1768926 2653389 5306778