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54912312 = 233271317229
BaseRepresentation
bin1101000101111…
…0010100111000
310211022211112100
43101132110320
5103024143222
65240543400
71234514130
oct321362470
9124284470
1054912312
1128aa6484
1216481b60
13b4b82c0
147415ac0
154c4a4ac
hex345e538

54912312 has 288 divisors, whose sum is σ = 201146400. Its totient is φ = 13160448.

The previous prime is 54912289. The next prime is 54912313. The reversal of 54912312 is 21321945.

54912312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54912313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1893514 + ... + 1893542.

It is an arithmetic number, because the mean of its divisors is an integer number (698425).

Almost surely, 254912312 is an apocalyptic number.

54912312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54912312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100573200).

54912312 is an abundant number, since it is smaller than the sum of its proper divisors (146234088).

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

54912312 is a wasteful number, since it uses less digits than its factorization.

54912312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 54912312 is about 7410.2842050761. The cubic root of 54912312 is about 380.0930335462.

The spelling of 54912312 in words is "fifty-four million, nine hundred twelve thousand, three hundred twelve".