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54512107 = 134193239
BaseRepresentation
bin1100111111110…
…0100111101011
310210120111112221
43033330213223
5102423341412
65224214511
71231226266
oct317744753
9123514487
1054512107
1128852831
121630a437
13b3a80b0
14734dcdd
154bbbb07
hex33fc9eb

54512107 has 4 divisors (see below), whose sum is σ = 58705360. Its totient is φ = 50318856.

The previous prime is 54512077. The next prime is 54512119. The reversal of 54512107 is 70121545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54512107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54512147) 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, 2096607 + ... + 2096632.

It is an arithmetic number, because the mean of its divisors is an integer number (14676340).

Almost surely, 254512107 is an apocalyptic number.

54512107 is a deficient number, since it is larger than the sum of its proper divisors (4193253).

54512107 is a wasteful number, since it uses less digits than its factorization.

54512107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193252.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 54512107 is about 7383.2314740905. The cubic root of 54512107 is about 379.1673991264.

The spelling of 54512107 in words is "fifty-four million, five hundred twelve thousand, one hundred seven".

Divisors: 1 13 4193239 54512107