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2730472 = 231721181
BaseRepresentation
bin1010011010100111101000
312010201111121
422122213220
51144333342
6134305024
732131363
oct12324750
95121447
102730472
1115a5498
12ab8174
13747a84
145110da
1538e067
hex29a9e8

2730472 has 24 divisors (see below), whose sum is σ = 5443110. Its totient is φ = 1283840.

The previous prime is 2730443. The next prime is 2730487. The reversal of 2730472 is 2740372.

2730472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2669956 + 60516 = 1634^2 + 246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1722 + ... + 2902.

22730472 is an apocalyptic number.

It is an amenable number.

2730472 is a deficient number, since it is larger than the sum of its proper divisors (2712638).

2730472 is a wasteful number, since it uses less digits than its factorization.

2730472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 2730472 is about 1652.4139917103. The cubic root of 2730472 is about 139.7695528532.

The spelling of 2730472 in words is "two million, seven hundred thirty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 289 578 1156 1181 2312 2362 4724 9448 20077 40154 80308 160616 341309 682618 1365236 2730472