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54912133 = 731275923
BaseRepresentation
bin1101000101111…
…0010010000101
310211022211021201
43101132102011
5103024142013
65240542501
71234513453
oct321362205
9124284251
1054912133
1128aa6331
1216481a31
13b4b81b3
1474159d3
154c4a3dd
hex345e485

54912133 has 8 divisors (see below), whose sum is σ = 56112128. Its totient is φ = 53724384.

The previous prime is 54912119. The next prime is 54912157. The reversal of 54912133 is 33121945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54912133 - 25 = 54912101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54912233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6310 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (7014016).

Almost surely, 254912133 is an apocalyptic number.

It is an amenable number.

54912133 is a deficient number, since it is larger than the sum of its proper divisors (1199995).

54912133 is a wasteful number, since it uses less digits than its factorization.

54912133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123.

The product of its digits is 3240, while the sum is 28.

The square root of 54912133 is about 7410.2721272569. The cubic root of 54912133 is about 380.0926205440.

The spelling of 54912133 in words is "fifty-four million, nine hundred twelve thousand, one hundred thirty-three".

Divisors: 1 73 127 5923 9271 432379 752221 54912133