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53481146 = 21912733
BaseRepresentation
bin1100110000000…
…0111010111010
310201122010100012
43030000322322
5102142344041
65150141522
71216403465
oct314007272
9121563305
1053481146
11282091a4
1215ab18a2
13b106a64
1471622dc
154a663eb
hex3300eba

53481146 has 12 divisors (see below), whose sum is σ = 80753946. Its totient is φ = 26564280.

The previous prime is 53481137. The next prime is 53481151. The reversal of 53481146 is 64118435.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 22800625 = 5539^2 + 4775^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72596 + ... + 73328.

Almost surely, 253481146 is an apocalyptic number.

53481146 is a deficient number, since it is larger than the sum of its proper divisors (27272800).

53481146 is an equidigital number, since it uses as much as digits as its factorization.

53481146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 926 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 53481146 is about 7313.0804726873. The cubic root of 53481146 is about 376.7618334035.

The spelling of 53481146 in words is "fifty-three million, four hundred eighty-one thousand, one hundred forty-six".

Divisors: 1 2 191 382 733 1466 36481 72962 140003 280006 26740573 53481146