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54457086 = 2317533893
BaseRepresentation
bin1100111110111…
…1001011111110
310210110201002010
43033233023332
5102420111321
65223112050
71230610005
oct317571376
9123421063
1054457086
1128815462
12162a2626
13b389038
147337c3c
154baa676
hex33ef2fe

54457086 has 16 divisors (see below), whose sum is σ = 115321104. Its totient is φ = 17084544.

The previous prime is 54457063. The next prime is 54457133. The reversal of 54457086 is 68075445.

It is a super-2 number, since 2×544570862 = 5931148431222792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266845 + ... + 267048.

It is an arithmetic number, because the mean of its divisors is an integer number (7207569).

Almost surely, 254457086 is an apocalyptic number.

54457086 is an abundant number, since it is smaller than the sum of its proper divisors (60864018).

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

54457086 is a wasteful number, since it uses less digits than its factorization.

54457086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533915.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 54457086 is about 7379.5044549075. The cubic root of 54457086 is about 379.0397871547.

It can be divided in two parts, 544 and 57086, that added together give a triangular number (57630 = T339).

The spelling of 54457086 in words is "fifty-four million, four hundred fifty-seven thousand, eighty-six".

Divisors: 1 2 3 6 17 34 51 102 533893 1067786 1601679 3203358 9076181 18152362 27228543 54457086