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54730 = 2513421
BaseRepresentation
bin1101010111001010
32210002001
431113022
53222410
61101214
7315364
oct152712
983061
1054730
1138135
122780a
131bbb0
1415d34
151133a
hexd5ca

54730 has 16 divisors (see below), whose sum is σ = 106344. Its totient is φ = 20160.

The previous prime is 54727. The next prime is 54751. The reversal of 54730 is 3745.

54730 = T4 + T5 + ... + T68.

It can be written as a sum of positive squares in 4 ways, for example, as 15129 + 39601 = 123^2 + 199^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 54698 and 54707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 340.

254730 is an apocalyptic number.

54730 is a deficient number, since it is larger than the sum of its proper divisors (51614).

54730 is a wasteful number, since it uses less digits than its factorization.

54730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 54730 is about 233.9444378480. The cubic root of 54730 is about 37.9671923667.

It can be divided in two parts, 54 and 730, that added together give a square (784 = 282).

The spelling of 54730 in words is "fifty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 421 842 2105 4210 5473 10946 27365 54730