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4979487 = 317163599
BaseRepresentation
bin10010111111101100011111
3100100222120110
4102333230133
52233320422
6254421103
760216312
oct22775437
910328513
104979487
1128a1187
121801793
131054656
14938979
1568560c
hex4bfb1f

4979487 has 16 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 3100032.

The previous prime is 4979479. The next prime is 4979489. The reversal of 4979487 is 7849794.

It is a happy number.

It is not a de Polignac number, because 4979487 - 23 = 4979479 is a prime.

4979487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8014 + ... + 8612.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

Almost surely, 24979487 is an apocalyptic number.

4979487 is a deficient number, since it is larger than the sum of its proper divisors (2105313).

4979487 is a wasteful number, since it uses less digits than its factorization.

4979487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its digits is 508032, while the sum is 48.

The square root of 4979487 is about 2231.4764170835. The cubic root of 4979487 is about 170.7634292355.

The spelling of 4979487 in words is "four million, nine hundred seventy-nine thousand, four hundred eighty-seven".

Divisors: 1 3 17 51 163 489 599 1797 2771 8313 10183 30549 97637 292911 1659829 4979487