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2489411236 = 221321921012
BaseRepresentation
bin1001010001100001…
…0110011010100100
320102111021012020011
42110120112122210
520044242124421
61051004420004
7115455434464
oct22430263244
96374235204
102489411236
111068231564
12595847604
13308992900
14198895ba4
15e88384e1
hex946166a4

2489411236 has 81 divisors (see below), whose sum is σ = 5028492483. Its totient is φ = 1077710400.

The previous prime is 2489411231. The next prime is 2489411237. The reversal of 2489411236 is 6321149842.

The square root of 2489411236 is 49894.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 93896100 + 2395515136 = 9690^2 + 48944^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489411231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24647586 + ... + 24647686.

Almost surely, 22489411236 is an apocalyptic number.

2489411236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2489411236 is the 49894-th square number.

It is an amenable number.

2489411236 is an abundant number, since it is smaller than the sum of its proper divisors (2539081247).

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

2489411236 is a wasteful number, since it uses less digits than its factorization.

2489411236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 135 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The cubic root of 2489411236 is about 1355.2899414491.

Multiplying 2489411236 by its product of digits (82944), we get a square (206481725558784 = 143694722).

The spelling of 2489411236 in words is "two billion, four hundred eighty-nine million, four hundred eleven thousand, two hundred thirty-six".

Divisors: 1 2 4 13 19 26 38 52 76 101 169 202 247 338 361 404 494 676 722 988 1313 1444 1919 2626 3211 3838 4693 5252 6422 7676 9386 10201 12844 17069 18772 20402 24947 34138 36461 40804 49894 61009 68276 72922 99788 122018 132613 145844 193819 244036 265226 324311 387638 473993 530452 648622 775276 947986 1297244 1723969 1895972 2519647 3447938 3682561 5039294 6161909 6895876 7365122 10078588 12323818 14730244 24647636 32755411 47873293 65510822 95746586 131021644 191493172 622352809 1244705618 2489411236