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54131000 = 23537111937
BaseRepresentation
bin1100111001111…
…1100100111000
310202212010202212
43032133210320
5102324143000
65212114252
71225051220
oct316374470
9122763685
1054131000
1128612470
1216165988
13b2a37a1
147291080
154b43c35
hex339f938

54131000 has 256 divisors, whose sum is σ = 170726400. Its totient is φ = 15552000.

The previous prime is 54130987. The next prime is 54131017. The reversal of 54131000 is 13145.

It is a super-2 number, since 2×541310002 = 5860330322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1462982 + ... + 1463018.

It is an arithmetic number, because the mean of its divisors is an integer number (666900).

Almost surely, 254131000 is an apocalyptic number.

54131000 is a gapful number since it is divisible by the number (50) 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 54131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85363200).

54131000 is an abundant number, since it is smaller than the sum of its proper divisors (116595400).

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

54131000 is a wasteful number, since it uses less digits than its factorization.

54131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 54131000 is about 7357.3772500804. The cubic root of 54131000 is about 378.2817156556.

Adding to 54131000 its reverse (13145), we get a palindrome (54144145).

The spelling of 54131000 in words is "fifty-four million, one hundred thirty-one thousand".