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2393399247 = 317795031181
BaseRepresentation
bin1000111010101000…
…0101111111001111
320011210121021112120
42032222011333033
514400202233442
61033254504023
7113211362241
oct21652057717
96153537476
102393399247
111019014308
12569665013
132c1b17395
14189c22091
15e01c04ec
hex8ea85fcf

2393399247 has 32 divisors (see below), whose sum is σ = 3431393280. Its totient is φ = 1478530560.

The previous prime is 2393399227. The next prime is 2393399249. The reversal of 2393399247 is 7429933932.

It is not a de Polignac number, because 2393399247 - 216 = 2393333711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2393399247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393399249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025997 + ... + 2027177.

It is an arithmetic number, because the mean of its divisors is an integer number (107231040).

Almost surely, 22393399247 is an apocalyptic number.

2393399247 is a deficient number, since it is larger than the sum of its proper divisors (1037994033).

2393399247 is a wasteful number, since it uses less digits than its factorization.

2393399247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its digits is 2204496, while the sum is 51.

The square root of 2393399247 is about 48922.3798174210. The cubic root of 2393399247 is about 1337.6373394009.

The spelling of 2393399247 in words is "two billion, three hundred ninety-three million, three hundred ninety-nine thousand, two hundred forty-seven".

Divisors: 1 3 17 51 79 237 503 1181 1343 1509 3543 4029 8551 20077 25653 39737 60231 93299 119211 279897 594043 675529 1586083 1782129 2026587 4758249 10098731 30296193 46929397 140788191 797799749 2393399247