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2312055240 = 2335111751557
BaseRepresentation
bin1000100111001111…
…0010100111001000
312222010112120112120
42021303302213020
514213341231430
61021231211240
7111203100555
oct21163624710
95863476476
102312055240
11a87105360
12546376b20
132ab006331
1417d0c9a2c
15d7ea3610
hex89cf29c8

2312055240 has 64 divisors (see below), whose sum is σ = 7566730560. Its totient is φ = 560497920.

The previous prime is 2312055227. The next prime is 2312055257. The reversal of 2312055240 is 425502132.

It is a super-2 number, since 2×23120552402 = 10691198865622915200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2312055240.

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, 874459 + ... + 877098.

It is an arithmetic number, because the mean of its divisors is an integer number (118230165).

Almost surely, 22312055240 is an apocalyptic number.

2312055240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312055240 is an abundant number, since it is smaller than the sum of its proper divisors (5254675320).

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

2312055240 is a wasteful number, since it uses less digits than its factorization.

2312055240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751582 (or 1751578 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2312055240 is about 48083.8355375276. The cubic root of 2312055240 is about 1322.3083347108.

Adding to 2312055240 its reverse (425502132), we get a palindrome (2737557372).

The spelling of 2312055240 in words is "two billion, three hundred twelve million, fifty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 1751557 3503114 5254671 7006228 8757785 10509342 14012456 17515570 19267127 21018684 26273355 35031140 38534254 42037368 52546710 57801381 70062280 77068508 96335635 105093420 115602762 154137016 192671270 210186840 231205524 289006905 385342540 462411048 578013810 770685080 1156027620 2312055240