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3130269 = 31954917
BaseRepresentation
bin1011111100001110011101
312220000220220
423330032131
51300132034
6151031553
735415102
oct13741635
95800826
103130269
1118488aa
12106b5b9
13857a3c
145b6aa9
1541c749
hex2fc39d

3130269 has 8 divisors (see below), whose sum is σ = 4393440. Its totient is φ = 1976976.

The previous prime is 3130249. The next prime is 3130279. The reversal of 3130269 is 9620313.

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

It is not a de Polignac number, because 3130269 - 29 = 3129757 is a prime.

It is a super-3 number, since 3×31302693 = 92016611333367765327, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130229) 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, 27402 + ... + 27515.

It is an arithmetic number, because the mean of its divisors is an integer number (549180).

Almost surely, 23130269 is an apocalyptic number.

It is an amenable number.

3130269 is a deficient number, since it is larger than the sum of its proper divisors (1263171).

3130269 is a wasteful number, since it uses less digits than its factorization.

3130269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54939.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3130269 is about 1769.2566235569. The cubic root of 3130269 is about 146.2830095699.

The spelling of 3130269 in words is "three million, one hundred thirty thousand, two hundred sixty-nine".

Divisors: 1 3 19 57 54917 164751 1043423 3130269