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272293 = 725557
BaseRepresentation
bin1000010011110100101
3111211111221
41002132211
532203133
65500341
72212600
oct1023645
9454457
10272293
1117663a
121116b1
1396c28
1471337
1555a2d
hex427a5

272293 has 6 divisors (see below), whose sum is σ = 316806. Its totient is φ = 233352.

The previous prime is 272287. The next prime is 272299. The reversal of 272293 is 392272.

It is an interprime number because it is at equal distance from previous prime (272287) and next prime (272299).

It can be written as a sum of positive squares in only one way, i.e., 268324 + 3969 = 518^2 + 63^2 .

It is not a de Polignac number, because 272293 - 213 = 264101 is a prime.

272293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2730 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (52801).

2272293 is an apocalyptic number.

It is an amenable number.

272293 is a deficient number, since it is larger than the sum of its proper divisors (44513).

272293 is an equidigital number, since it uses as much as digits as its factorization.

272293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571 (or 5564 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 272293 is about 521.8170177371. The cubic root of 272293 is about 64.8154925361.

It can be divided in two parts, 272 and 293, that added together give a palindrome (565).

The spelling of 272293 in words is "two hundred seventy-two thousand, two hundred ninety-three".

Divisors: 1 7 49 5557 38899 272293