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272484 = 2234292
BaseRepresentation
bin1000010100001100100
3111211210000
41002201210
532204414
65501300
72213262
oct1024144
9454700
10272484
111767a3
12111830
1397044
1471432
1555b09
hex42864

272484 has 45 divisors (see below), whose sum is σ = 737737. Its totient is φ = 87696.

The previous prime is 272477. The next prime is 272507. The reversal of 272484 is 484272.

The square root of 272484 is 522.

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

It can be written as a sum of positive squares in only one way, i.e., 142884 + 129600 = 378^2 + 360^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9382 + ... + 9410.

272484 is a Friedman number, since it can be written as (87*(4+2))^(4-2), using all its digits and the basic arithmetic operations.

2272484 is an apocalyptic number.

272484 is the 522-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272484

272484 is an abundant number, since it is smaller than the sum of its proper divisors (465253).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272484 is a wasteful number, since it uses less digits than its factorization.

272484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 34 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The cubic root of 272484 is about 64.8306439424.

The spelling of 272484 in words is "two hundred seventy-two thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 81 87 108 116 162 174 261 324 348 522 783 841 1044 1566 1682 2349 2523 3132 3364 4698 5046 7569 9396 10092 15138 22707 30276 45414 68121 90828 136242 272484