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4331312040 = 2335113281297
BaseRepresentation
bin1000000100010101…
…01001001110101000
3102011212010110010110
410002022221032220
532332303441130
61553443014320
7212222354616
oct40212511650
912155113113
104331312040
111922a04930
12a0a66a3a0
13540463743
142d13586b6
151a53bbab0
hex1022a93a8

4331312040 has 64 divisors (see below), whose sum is σ = 14175207360. Its totient is φ = 1050014720.

The previous prime is 4331312039. The next prime is 4331312047. The reversal of 4331312040 is 402131334.

It is a junction number, because it is equal to n+sod(n) for n = 4331311998 and 4331312016.

It is not an unprimeable number, because it can be changed into a prime (4331312047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639329 + ... + 1641968.

It is an arithmetic number, because the mean of its divisors is an integer number (221487615).

Almost surely, 24331312040 is an apocalyptic number.

4331312040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4331312040 is an abundant number, since it is smaller than the sum of its proper divisors (9843895320).

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

4331312040 is a wasteful number, since it uses less digits than its factorization.

4331312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281322 (or 3281318 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4331312040 is about 65812.7042446973. The cubic root of 4331312040 is about 1630.0708865505.

Adding to 4331312040 its reverse (402131334), we get a palindrome (4733443374).

The spelling of 4331312040 in words is "four billion, three hundred thirty-one million, three hundred twelve thousand, 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 3281297 6562594 9843891 13125188 16406485 19687782 26250376 32812970 36094267 39375564 49219455 65625940 72188534 78751128 98438910 108282801 131251880 144377068 180471335 196877820 216565602 288754136 360942670 393755640 433131204 541414005 721885340 866262408 1082828010 1443770680 2165656020 4331312040