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272361 = 390787
BaseRepresentation
bin1000010011111101001
3111211121110
41002133221
532203421
65500533
72213025
oct1023751
9454543
10272361
111766a1
12111749
1396c7b
1471385
1555a76
hex427e9

272361 has 4 divisors (see below), whose sum is σ = 363152. Its totient is φ = 181572.

The previous prime is 272359. The next prime is 272369. The reversal of 272361 is 163272.

It is a happy number.

272361 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 272361 - 21 = 272359 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272361.

It is not an unprimeable number, because it can be changed into a prime (272369) 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, 45391 + ... + 45396.

It is an arithmetic number, because the mean of its divisors is an integer number (90788).

2272361 is an apocalyptic number.

It is an amenable number.

272361 is a deficient number, since it is larger than the sum of its proper divisors (90791).

272361 is an equidigital number, since it uses as much as digits as its factorization.

272361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90790.

The product of its digits is 504, while the sum is 21.

The square root of 272361 is about 521.8821706094. The cubic root of 272361 is about 64.8208875660.

The spelling of 272361 in words is "two hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 3 90787 272361