Search a number
-
+
424918837 = 7228333061
BaseRepresentation
bin11001010100111…
…011111100110101
31002121120010001201
4121110323330311
51332234400322
6110055252501
713346515300
oct3124737465
91077503051
10424918837
111a89458a2
12ba37a131
136a057885
144060db37
1527486d27
hex1953bf35

424918837 has 12 divisors (see below), whose sum is σ = 494629356. Its totient is φ = 363968640.

The previous prime is 424918811. The next prime is 424918847. The reversal of 424918837 is 738819424.

It can be written as a sum of positive squares in 2 ways, for example, as 306740196 + 118178641 = 17514^2 + 10871^2 .

It is a de Polignac number, because none of the positive numbers 2k-424918837 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 (424918847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137287 + ... + 140347.

It is an arithmetic number, because the mean of its divisors is an integer number (41219113).

Almost surely, 2424918837 is an apocalyptic number.

It is an amenable number.

424918837 is a deficient number, since it is larger than the sum of its proper divisors (69710519).

424918837 is a wasteful number, since it uses less digits than its factorization.

424918837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908 (or 5901 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 424918837 is about 20613.5595422043. The cubic root of 424918837 is about 751.7994345204.

The spelling of 424918837 in words is "four hundred twenty-four million, nine hundred eighteen thousand, eight hundred thirty-seven".

Divisors: 1 7 49 2833 3061 19831 21427 138817 149989 8671813 60702691 424918837