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4878939 = 313125101
BaseRepresentation
bin10010100111001001011011
3100011212122110
4102213021123
52222111224
6252323403
756320212
oct22471133
910155573
104878939
11283268a
121773563
13101a960
14910079
15665929
hex4a725b

4878939 has 8 divisors (see below), whose sum is σ = 7005712. Its totient is φ = 3002400.

The previous prime is 4878919. The next prime is 4878941. The reversal of 4878939 is 9398784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4878939 - 28 = 4878683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62512 + ... + 62589.

It is an arithmetic number, because the mean of its divisors is an integer number (875714).

Almost surely, 24878939 is an apocalyptic number.

4878939 is a deficient number, since it is larger than the sum of its proper divisors (2126773).

4878939 is a wasteful number, since it uses less digits than its factorization.

4878939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125117.

The product of its digits is 435456, while the sum is 48.

The square root of 4878939 is about 2208.8320443166. The cubic root of 4878939 is about 169.6062281703.

It can be divided in two parts, 48789 and 39, that added together give a triangular number (48828 = T312).

The spelling of 4878939 in words is "four million, eight hundred seventy-eight thousand, nine hundred thirty-nine".

Divisors: 1 3 13 39 125101 375303 1626313 4878939