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2040660402 = 231122810827
BaseRepresentation
bin111100110100010…
…0000000110110010
312021012212021210220
41321220200012302
513134402113102
6534254233510
7101366220144
oct17150400662
95235767726
102040660402
11957999400
1248b4b5896
13266a12681
14155040c94
15be2451bc
hex79a201b2

2040660402 has 24 divisors (see below), whose sum is σ = 4486081488. Its totient is φ = 618381720.

The previous prime is 2040660383. The next prime is 2040660403.

2040660402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2040660403) 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 11 ways as a sum of consecutive naturals, for example, 1404688 + ... + 1406139.

It is an arithmetic number, because the mean of its divisors is an integer number (186920062).

Almost surely, 22040660402 is an apocalyptic number.

2040660402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2040660402 is an abundant number, since it is smaller than the sum of its proper divisors (2445421086).

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

2040660402 is a wasteful number, since it uses less digits than its factorization.

2040660402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810854 (or 2810843 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2040660402 is about 45173.6693439884. The cubic root of 2040660402 is about 1268.4019833109.

It can be divided in two parts, 20406 and 60402, that added together give a palindrome (80808).

The spelling of 2040660402 in words is "two billion, forty million, six hundred sixty thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 2810827 5621654 8432481 16864962 30919097 61838194 92757291 185514582 340110067 680220134 1020330201 2040660402