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2040400310 = 2513194319211
BaseRepresentation
bin111100110011110…
…0000100110110110
312021012101002000212
41321213200212312
513134320302220
6534244505422
7101364054644
oct17147404666
95235332025
102040400310
11957830a53
1248b3ab272
13266951180
14154db4194
15be1e30c5
hex799e09b6

2040400310 has 64 divisors (see below), whose sum is σ = 4260453120. Its totient is φ = 697092480.

The previous prime is 2040400303. The next prime is 2040400319. The reversal of 2040400310 is 130040402.

It is a super-2 number, since 2×20404003102 = 8326466850096192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040400319) 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 31 ways as a sum of consecutive naturals, for example, 96605 + ... + 115815.

It is an arithmetic number, because the mean of its divisors is an integer number (66569580).

Almost surely, 22040400310 is an apocalyptic number.

2040400310 is an abundant number, since it is smaller than the sum of its proper divisors (2220052810).

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

2040400310 is a wasteful number, since it uses less digits than its factorization.

2040400310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19293.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2040400310 is about 45170.7904513525. The cubic root of 2040400310 is about 1268.3480930400.

Adding to 2040400310 its reverse (130040402), we get a palindrome (2170440712).

The spelling of 2040400310 in words is "two billion, forty million, four hundred thousand, three hundred ten".

Divisors: 1 2 5 10 13 19 26 38 43 65 86 95 130 190 215 247 430 494 559 817 1118 1235 1634 2470 2795 4085 5590 8170 10621 19211 21242 38422 53105 96055 106210 192110 249743 365009 499486 730018 826073 1248715 1652146 1825045 2497430 3650090 4130365 4745117 8260730 9490234 10738949 15695387 21477898 23725585 31390774 47451170 53694745 78476935 107389490 156953870 204040031 408080062 1020200155 2040400310