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253334739 = 3712063559
BaseRepresentation
bin11110001100110…
…01010011010011
3122122200201221010
433012121103103
51004323202424
641045502003
76164211150
oct1706312323
9578621833
10253334739
11120001159
1270a11903
134063c518
1425907227
1517392229
hexf1994d3

253334739 has 8 divisors (see below), whose sum is σ = 386033920. Its totient is φ = 144762696.

The previous prime is 253334737. The next prime is 253334773. The reversal of 253334739 is 937433352.

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

It is not a de Polignac number, because 253334739 - 21 = 253334737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253334697 and 253334706.

It is not an unprimeable number, because it can be changed into a prime (253334737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031759 + ... + 6031800.

It is an arithmetic number, because the mean of its divisors is an integer number (48254240).

Almost surely, 2253334739 is an apocalyptic number.

253334739 is a deficient number, since it is larger than the sum of its proper divisors (132699181).

253334739 is a wasteful number, since it uses less digits than its factorization.

253334739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063569.

The product of its digits is 204120, while the sum is 39.

The square root of 253334739 is about 15916.4926726965. The cubic root of 253334739 is about 632.7491675061.

The spelling of 253334739 in words is "two hundred fifty-three million, three hundred thirty-four thousand, seven hundred thirty-nine".

Divisors: 1 3 7 21 12063559 36190677 84444913 253334739