Search a number
-
+
506990830 = 25174172739
BaseRepresentation
bin11110001110000…
…001000011101110
31022022222210200011
4132032001003232
52014242201310
6122150323434
715364231243
oct3616010356
91268883604
10506990830
11240201795
1212195957a
1381062098
144b4955ca
152e79978a
hex1e3810ee

506990830 has 32 divisors (see below), whose sum is σ = 989845920. Its totient is φ = 186209280.

The previous prime is 506990807. The next prime is 506990843. The reversal of 506990830 is 38099605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29400 + ... + 43339.

It is an arithmetic number, because the mean of its divisors is an integer number (30932685).

Almost surely, 2506990830 is an apocalyptic number.

506990830 is a deficient number, since it is larger than the sum of its proper divisors (482855090).

506990830 is a wasteful number, since it uses less digits than its factorization.

506990830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72804.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 506990830 is about 22516.4568704759. The cubic root of 506990830 is about 797.3825025155.

The spelling of 506990830 in words is "five hundred six million, nine hundred ninety thousand, eight hundred thirty".

Divisors: 1 2 5 10 17 34 41 82 85 170 205 410 697 1394 3485 6970 72739 145478 363695 727390 1236563 2473126 2982299 5964598 6182815 12365630 14911495 29822990 50699083 101398166 253495415 506990830