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2542298249 = 19373358727
BaseRepresentation
bin1001011110001000…
…0110010010001001
320120011210010120102
42113202012102021
520201312020444
61100134135145
7120000115151
oct22742062211
96504703512
102542298249
111095074337
125ab4b14b5
1331691c0ba
141a1901761
15ed2d384e
hex97886489

2542298249 has 8 divisors (see below), whose sum is σ = 2683285440. Its totient is φ = 2402029296.

The previous prime is 2542298237. The next prime is 2542298299. The reversal of 2542298249 is 9428922452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2542298249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542298299) 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 7 ways as a sum of consecutive naturals, for example, 172277 + ... + 186450.

It is an arithmetic number, because the mean of its divisors is an integer number (335410680).

Almost surely, 22542298249 is an apocalyptic number.

It is an amenable number.

2542298249 is a deficient number, since it is larger than the sum of its proper divisors (140987191).

2542298249 is a wasteful number, since it uses less digits than its factorization.

2542298249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359119.

The product of its digits is 829440, while the sum is 47.

The square root of 2542298249 is about 50421.2083254656. The cubic root of 2542298249 is about 1364.8203816662.

The spelling of 2542298249 in words is "two billion, five hundred forty-two million, two hundred ninety-eight thousand, two hundred forty-nine".

Divisors: 1 19 373 7087 358727 6815813 133805171 2542298249