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4989879 = 32554431
BaseRepresentation
bin10011000010001110110111
3100101111211100
4103002032313
52234134004
6254541143
760261516
oct23021667
910344740
104989879
1128a8a74
1218077b3
1310592bb
1493c67d
15688739
hex4c23b7

4989879 has 6 divisors (see below), whose sum is σ = 7207616. Its totient is φ = 3326580.

The previous prime is 4989863. The next prime is 4989917. The reversal of 4989879 is 9789894.

It is not a de Polignac number, because 4989879 - 24 = 4989863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277207 + ... + 277224.

Almost surely, 24989879 is an apocalyptic number.

4989879 is a deficient number, since it is larger than the sum of its proper divisors (2217737).

4989879 is a wasteful number, since it uses less digits than its factorization.

4989879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554437 (or 554434 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 4989879 is about 2233.8037066851. The cubic root of 4989879 is about 170.8821389537.

The spelling of 4989879 in words is "four million, nine hundred eighty-nine thousand, eight hundred seventy-nine".

Divisors: 1 3 9 554431 1663293 4989879