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2040475243 = 2637758461
BaseRepresentation
bin111100110011111…
…0010111001101011
312021012111212211011
41321213302321223
513134330201433
6534250244351
7101364516262
oct17147627153
95235455734
102040475243
11957882284
1248b4266b7
13266979301
14154dd35d9
15be20a3cd
hex799f2e6b

2040475243 has 4 divisors (see below), whose sum is σ = 2048233968. Its totient is φ = 2032716520.

The previous prime is 2040475207. The next prime is 2040475271. The reversal of 2040475243 is 3425740402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040475243 - 29 = 2040474731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040415243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878968 + ... + 3879493.

It is an arithmetic number, because the mean of its divisors is an integer number (512058492).

Almost surely, 22040475243 is an apocalyptic number.

2040475243 is a deficient number, since it is larger than the sum of its proper divisors (7758725).

2040475243 is an equidigital number, since it uses as much as digits as its factorization.

2040475243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758724.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2040475243 is about 45171.6198846134. The cubic root of 2040475243 is about 1268.3636193992.

The spelling of 2040475243 in words is "two billion, forty million, four hundred seventy-five thousand, two hundred forty-three".

Divisors: 1 263 7758461 2040475243