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54500018 = 21923127491
BaseRepresentation
bin1100111111100…
…1101010110010
310210112212222012
43033321222302
5102423000033
65224042522
71231146116
oct317715262
9123485865
1054500018
1128844741
1216303442
13b3a2741
147349746
154bb8248
hex33f9ab2

54500018 has 32 divisors (see below), whose sum is σ = 90685440. Its totient is φ = 24449040.

The previous prime is 54500009. The next prime is 54500021. The reversal of 54500018 is 81000545.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54499966 and 54500002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110753 + ... + 111243.

It is an arithmetic number, because the mean of its divisors is an integer number (2833920).

Almost surely, 254500018 is an apocalyptic number.

54500018 is a deficient number, since it is larger than the sum of its proper divisors (36185422).

54500018 is a wasteful number, since it uses less digits than its factorization.

54500018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 54500018 is about 7382.4127492304. The cubic root of 54500018 is about 379.1393680839.

The spelling of 54500018 in words is "fifty-four million, five hundred thousand, eighteen".

Divisors: 1 2 19 23 38 46 127 254 437 491 874 982 2413 2921 4826 5842 9329 11293 18658 22586 55499 62357 110998 124714 214567 429134 1184783 1434211 2369566 2868422 27250009 54500018