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2040646074 = 232971165181
BaseRepresentation
bin111100110100001…
…1100100110111010
312021012211120011020
41321220130212322
513134401133244
6534254043310
7101366130315
oct17150344672
95235746136
102040646074
11957989665
1248b4a9536
13266a08cac
1415503997c
15be240d19
hex79a1c9ba

2040646074 has 32 divisors (see below), whose sum is σ = 4281517440. Its totient is φ = 647505600.

The previous prime is 2040646061. The next prime is 2040646079. The reversal of 2040646074 is 4706460402.

It is a super-2 number, since 2×20406460742 = 8328472798663226952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040646079) 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 15 ways as a sum of consecutive naturals, for example, 70237 + ... + 94944.

It is an arithmetic number, because the mean of its divisors is an integer number (133797420).

Almost surely, 22040646074 is an apocalyptic number.

2040646074 is an abundant number, since it is smaller than the sum of its proper divisors (2240871366).

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

2040646074 is a wasteful number, since it uses less digits than its factorization.

2040646074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165286.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2040646074 is about 45173.5107557515. The cubic root of 2040646074 is about 1268.3990147121.

The spelling of 2040646074 in words is "two billion, forty million, six hundred forty-six thousand, seventy-four".

Divisors: 1 2 3 6 29 58 71 87 142 174 213 426 2059 4118 6177 12354 165181 330362 495543 991086 4790249 9580498 11727851 14370747 23455702 28741494 35183553 70367106 340107679 680215358 1020323037 2040646074