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274625 = 53133
BaseRepresentation
bin1000011000011000001
3111221201022
41003003001
532242000
65515225
72222441
oct1030301
9457638
10274625
1117836a
12112b15
1398000
1472121
1556585
hex430c1

274625 has 16 divisors (see below), whose sum is σ = 371280. Its totient is φ = 202800.

The previous prime is 274609. The next prime is 274627. The reversal of 274625 is 526472.

274625 = 902 + 912 + ... + 1152.

The cubic root of 274625 is 65.

It is a perfect power (a cube), and thus also a powerful number.

274625 is nontrivially palindromic in base 4 and base 8.

It can be written as a sum of positive squares in 8 ways, for example, as 274576 + 49 = 524^2 + 7^2 .

It is not a de Polignac number, because 274625 - 24 = 274609 is a prime.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 274594 and 274603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21119 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (23205).

274625 is a Friedman number, since it can be written as 65^(7-4-2+2), using all its digits and the basic arithmetic operations.

2274625 is an apocalyptic number.

274625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

274625 is a deficient number, since it is larger than the sum of its proper divisors (96655).

274625 is an frugal number, since it uses more digits than its factorization.

274625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 18 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 274625 is about 524.0467536394.

The spelling of 274625 in words is "two hundred seventy-four thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 169 325 845 1625 2197 4225 10985 21125 54925 274625