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54345512 = 2313522553
BaseRepresentation
bin1100111101001…
…1111100101000
310210021001000202
43033103330220
5102403024022
65220451332
71226633504
oct317237450
9123231022
1054345512
1128749651
1216249b48
13b34a310
147309304
154b87592
hex33d3f28

54345512 has 16 divisors (see below), whose sum is σ = 109736340. Its totient is φ = 25082496.

The previous prime is 54345503. The next prime is 54345517. The reversal of 54345512 is 21554345.

It can be written as a sum of positive squares in 2 ways, for example, as 54081316 + 264196 = 7354^2 + 514^2 .

It is not an unprimeable number, because it can be changed into a prime (54345517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261173 + ... + 261380.

Almost surely, 254345512 is an apocalyptic number.

54345512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54345512 is an abundant number, since it is smaller than the sum of its proper divisors (55390828).

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

54345512 is a wasteful number, since it uses less digits than its factorization.

54345512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522572 (or 522568 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 54345512 is about 7371.9408570606. The cubic root of 54345512 is about 378.7807458693.

Adding to 54345512 its reverse (21554345), we get a palindrome (75899857).

The spelling of 54345512 in words is "fifty-four million, three hundred forty-five thousand, five hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 522553 1045106 2090212 4180424 6793189 13586378 27172756 54345512