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2040704730 = 232522674497
BaseRepresentation
bin111100110100010…
…1010111011011010
312021012221112121200
41321220222323122
513134410022410
6534255215030
7101366463321
oct17150527332
95235845550
102040704730
11957a19739
1248b517476
13266a298bc
141550530b8
15be2533c0
hex79a2aeda

2040704730 has 24 divisors (see below), whose sum is σ = 5305832532. Its totient is φ = 544187904.

The previous prime is 2040704719. The next prime is 2040704737. The reversal of 2040704730 is 374070402.

It can be written as a sum of positive squares in 2 ways, for example, as 2003726169 + 36978561 = 44763^2 + 6081^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2040704694 and 2040704703.

It is not an unprimeable number, because it can be changed into a prime (2040704737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11337159 + ... + 11337338.

Almost surely, 22040704730 is an apocalyptic number.

2040704730 is an abundant number, since it is smaller than the sum of its proper divisors (3265127802).

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

2040704730 is a wasteful number, since it uses less digits than its factorization.

2040704730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22674510 (or 22674507 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 2040704730 is about 45174.1599811220. The cubic root of 2040704730 is about 1268.4111674809.

The spelling of 2040704730 in words is "two billion, forty million, seven hundred four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 22674497 45348994 68023491 113372485 136046982 204070473 226744970 340117455 408140946 680234910 1020352365 2040704730