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54730404 = 22361372
BaseRepresentation
bin1101000011000…
…1111010100100
310210222121000000
43100301322210
5103002333104
65233021300
71233125601
oct320617244
9123877000
1054730404
1128991843
12163b4830
13b453571
1473a96a8
154c11639
hex3431ea4

54730404 has 63 divisors (see below), whose sum is σ = 144657457. Its totient is φ = 18110304.

The previous prime is 54730391. The next prime is 54730433. The reversal of 54730404 is 40403745.

The square root of 54730404 is 7398.

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., 32148900 + 22581504 = 5670^2 + 4752^2 .

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 399424 + ... + 399560.

Almost surely, 254730404 is an apocalyptic number.

54730404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54730404 is the 7398-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54730404

54730404 is an abundant number, since it is smaller than the sum of its proper divisors (89927053).

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

54730404 is an equidigital number, since it uses as much as digits as its factorization.

54730404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The cubic root of 54730404 is about 379.6728578716.

The spelling of 54730404 in words is "fifty-four million, seven hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 137 162 243 274 324 411 486 548 729 822 972 1233 1458 1644 2466 2916 3699 4932 7398 11097 14796 18769 22194 33291 37538 44388 56307 66582 75076 99873 112614 133164 168921 199746 225228 337842 399492 506763 675684 1013526 1520289 2027052 3040578 4560867 6081156 9121734 13682601 18243468 27365202 54730404