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2542082357 = 2938676049
BaseRepresentation
bin1001011110000101…
…0001100100110101
320120011101011102102
42113201101210311
520201233113412
61100125351445
7116665225553
oct22741214465
96504334372
102542082357
111094a37111
125ab408585
13316874a59
141a1886bd3
15ed28e8c2
hex97851935

2542082357 has 4 divisors (see below), whose sum is σ = 2550758700. Its totient is φ = 2533406016.

The previous prime is 2542082339. The next prime is 2542082363. The reversal of 2542082357 is 7532802452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1602721156 + 939361201 = 40034^2 + 30649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542082357 - 214 = 2542065973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542082357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542082657) 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, 4337732 + ... + 4338317.

It is an arithmetic number, because the mean of its divisors is an integer number (637689675).

Almost surely, 22542082357 is an apocalyptic number.

It is an amenable number.

2542082357 is a deficient number, since it is larger than the sum of its proper divisors (8676343).

2542082357 is an equidigital number, since it uses as much as digits as its factorization.

2542082357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676342.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 2542082357 is about 50419.0673951829. The cubic root of 2542082357 is about 1364.7817470511.

The spelling of 2542082357 in words is "two billion, five hundred forty-two million, eighty-two thousand, three hundred fifty-seven".

Divisors: 1 293 8676049 2542082357