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4974489 = 3213174161
BaseRepresentation
bin10010111110011110011001
3100100201201100
4102332132121
52233140424
6254342013
760165612
oct22763631
910321640
104974489
112898453
1217ba909
1310522b0
14936c09
15683dc9
hex4be799

4974489 has 48 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 2764800.

The previous prime is 4974479. The next prime is 4974491. The reversal of 4974489 is 9844794.

It can be written as a sum of positive squares in 8 ways, for example, as 1734489 + 3240000 = 1317^2 + 1800^2 .

It is not a de Polignac number, because 4974489 - 217 = 4843417 is a prime.

It is a super-2 number, since 2×49744892 = 49491081622242, which contains 22 as substring.

It is a Curzon number.

4974489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4974449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81519 + ... + 81579.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

Almost surely, 24974489 is an apocalyptic number.

It is an amenable number.

4974489 is a deficient number, since it is larger than the sum of its proper divisors (3556215).

4974489 is a wasteful number, since it uses less digits than its factorization.

4974489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4974489 is about 2230.3562495709. The cubic root of 4974489 is about 170.7062773422.

The spelling of 4974489 in words is "four million, nine hundred seventy-four thousand, four hundred eighty-nine".

Divisors: 1 3 9 13 17 39 41 51 61 117 123 153 183 221 369 533 549 663 697 793 1037 1599 1989 2091 2379 2501 3111 4797 6273 7137 7503 9061 9333 13481 22509 27183 32513 40443 42517 81549 97539 121329 127551 292617 382653 552721 1658163 4974489