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506631870 = 232512494507
BaseRepresentation
bin11110001100101…
…001011010111110
31022022022120021100
4132030221122332
52014144204440
6122134513530
715361204563
oct3614513276
91268276240
10506631870
1123aa87028
121218058a6
1380c67894
144b40086a
152e728230
hex1e3296be

506631870 has 48 divisors (see below), whose sum is σ = 1318590000. Its totient is φ = 134963712.

The previous prime is 506631869. The next prime is 506631871. The reversal of 506631870 is 78136605.

It is an interprime number because it is at equal distance from previous prime (506631869) and next prime (506631871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506631871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110157 + ... + 114663.

It is an arithmetic number, because the mean of its divisors is an integer number (27470625).

Almost surely, 2506631870 is an apocalyptic number.

506631870 is an abundant number, since it is smaller than the sum of its proper divisors (811958130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506631870 is a wasteful number, since it uses less digits than its factorization.

506631870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 506631870 is about 22508.4844003322. The cubic root of 506631870 is about 797.1942703132.

The spelling of 506631870 in words is "five hundred six million, six hundred thirty-one thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1249 2498 3747 4507 6245 7494 9014 11241 12490 13521 18735 22482 22535 27042 37470 40563 45070 56205 67605 81126 112410 135210 202815 405630 5629243 11258486 16887729 28146215 33775458 50663187 56292430 84438645 101326374 168877290 253315935 506631870