Search a number
-
+
54189500 = 2253108379
BaseRepresentation
bin1100111010110…
…1110110111100
310202222010000112
43032231312330
5102333031000
65213245152
71225413611
oct316556674
9122863015
1054189500
1128652412
12161937b8
13b2c42c1
1472a8508
154b56235
hex33addbc

54189500 has 24 divisors (see below), whose sum is σ = 118350960. Its totient is φ = 21675600.

The previous prime is 54189493. The next prime is 54189529. The reversal of 54189500 is 598145.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53690 + ... + 54689.

It is an arithmetic number, because the mean of its divisors is an integer number (4931290).

Almost surely, 254189500 is an apocalyptic number.

54189500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54189500 is an abundant number, since it is smaller than the sum of its proper divisors (64161460).

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

54189500 is a wasteful number, since it uses less digits than its factorization.

54189500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108398 (or 108386 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 54189500 is about 7361.3517780364. The cubic root of 54189500 is about 378.4179377420.

The spelling of 54189500 in words is "fifty-four million, one hundred eighty-nine thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 108379 216758 433516 541895 1083790 2167580 2709475 5418950 10837900 13547375 27094750 54189500