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272031 = 390677
BaseRepresentation
bin1000010011010011111
3111211011020
41002122133
532201111
65455223
72212044
oct1023237
9454136
10272031
11176421
12111513
1396a86
14711cb
1555906
hex4269f

272031 has 4 divisors (see below), whose sum is σ = 362712. Its totient is φ = 181352.

The previous prime is 272029. The next prime is 272039. The reversal of 272031 is 130272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272031 - 21 = 272029 is a prime.

It is a super-2 number, since 2×2720312 = 148001729922, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 272031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45336 + ... + 45341.

It is an arithmetic number, because the mean of its divisors is an integer number (90678).

2272031 is an apocalyptic number.

272031 is a deficient number, since it is larger than the sum of its proper divisors (90681).

272031 is an equidigital number, since it uses as much as digits as its factorization.

272031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90680.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 272031 is about 521.5659114628. The cubic root of 272031 is about 64.7946974018.

The spelling of 272031 in words is "two hundred seventy-two thousand, thirty-one".

Divisors: 1 3 90677 272031