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274393131 = 3701130477
BaseRepresentation
bin10000010110101…
…110100000101011
3201010022121121120
4100112232200223
51030221040011
643121110323
76541205655
oct2026564053
9633277546
10274393131
11130984691
1277a883a3
1344b035cc
14286296d5
1519151a06
hex105ae82b

274393131 has 8 divisors (see below), whose sum is σ = 366382224. Its totient is φ = 182666400.

The previous prime is 274393127. The next prime is 274393159. The reversal of 274393131 is 131393472.

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

It is not a de Polignac number, because 274393131 - 22 = 274393127 is a prime.

It is a super-2 number, since 2×2743931312 = 150583180679966322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 274393092 and 274393101.

It is not an unprimeable number, because it can be changed into a prime (274393111) 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, 63136 + ... + 67341.

It is an arithmetic number, because the mean of its divisors is an integer number (45797778).

Almost surely, 2274393131 is an apocalyptic number.

274393131 is a deficient number, since it is larger than the sum of its proper divisors (91989093).

274393131 is a wasteful number, since it uses less digits than its factorization.

274393131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131181.

The product of its digits is 13608, while the sum is 33.

The square root of 274393131 is about 16564.8160569322. The cubic root of 274393131 is about 649.8170143691.

The spelling of 274393131 in words is "two hundred seventy-four million, three hundred ninety-three thousand, one hundred thirty-one".

Divisors: 1 3 701 2103 130477 391431 91464377 274393131