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4878345 = 351917117
BaseRepresentation
bin10010100111000000001001
3100011211211110
4102213000021
52222101340
6252320533
756315403
oct22470011
910154743
104878345
11283219a
121773149
13101a5c4
1490db73
15665680
hex4a7009

4878345 has 16 divisors (see below), whose sum is σ = 8216640. Its totient is φ = 2464704.

The previous prime is 4878319. The next prime is 4878361. The reversal of 4878345 is 5438784.

It is not a de Polignac number, because 4878345 - 26 = 4878281 is a prime.

It is a d-powerful number, because it can be written as 4 + 8 + 73 + 83 + 314 + 47 + 57 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8274 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (513540).

Almost surely, 24878345 is an apocalyptic number.

It is an amenable number.

4878345 is a deficient number, since it is larger than the sum of its proper divisors (3338295).

4878345 is a wasteful number, since it uses less digits than its factorization.

4878345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144.

The product of its digits is 107520, while the sum is 39.

The square root of 4878345 is about 2208.6975800231. The cubic root of 4878345 is about 169.5993448303.

It can be divided in two parts, 48783 and 45, that added together give a triangular number (48828 = T312).

The spelling of 4878345 in words is "four million, eight hundred seventy-eight thousand, three hundred forty-five".

Divisors: 1 3 5 15 19 57 95 285 17117 51351 85585 256755 325223 975669 1626115 4878345