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54311312 = 2411308587
BaseRepresentation
bin1100111100101…
…1100110010000
310210012022010002
43033023212100
5102400430222
65220025132
71226432006
oct317134620
9123168102
1054311312
1128725990
12162321a8
13b337893
1472daa76
154b7c392
hex33cb990

54311312 has 20 divisors (see below), whose sum is σ = 114794736. Its totient is φ = 24686880.

The previous prime is 54311297. The next prime is 54311317. The reversal of 54311312 is 21311345.

54311312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×543113122 = 5899437222322688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54311317) 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 3 ways as a sum of consecutive naturals, for example, 154118 + ... + 154469.

Almost surely, 254311312 is an apocalyptic number.

It is an amenable number.

54311312 is an abundant number, since it is smaller than the sum of its proper divisors (60483424).

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

54311312 is a wasteful number, since it uses less digits than its factorization.

54311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308606 (or 308600 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 54311312 is about 7369.6208857715. The cubic root of 54311312 is about 378.7012727636.

Adding to 54311312 its reverse (21311345), we get a palindrome (75622657).

It can be divided in two parts, 543 and 11312, that multiplied together give a palindrome (6142416).

The spelling of 54311312 in words is "fifty-four million, three hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 308587 617174 1234348 2468696 3394457 4937392 6788914 13577828 27155656 54311312