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18054050 = 252727369
BaseRepresentation
bin100010011011…
…1101110100010
31020222020111112
41010313232202
514110212200
61442543322
7306312500
oct104675642
936866445
1018054050
11a211303
126067b42
133981791
14257d670
1518b9535
hex1137ba2

18054050 has 36 divisors (see below), whose sum is σ = 39068370. Its totient is φ = 6189120.

The previous prime is 18054031. The next prime is 18054067. The reversal of 18054050 is 5045081.

It can be written as a sum of positive squares in 3 ways, for example, as 16654561 + 1399489 = 4081^2 + 1183^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1235 + ... + 6134.

Almost surely, 218054050 is an apocalyptic number.

18054050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18054050 is an abundant number, since it is smaller than the sum of its proper divisors (21014320).

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

18054050 is a wasteful number, since it uses less digits than its factorization.

18054050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395 (or 7383 counting only the distinct ones).

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

The square root of 18054050 is about 4249.0057660587. The cubic root of 18054050 is about 262.3361940990.

The spelling of 18054050 in words is "eighteen million, fifty-four thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 7369 14738 36845 51583 73690 103166 184225 257915 361081 368450 515830 722162 1289575 1805405 2579150 3610810 9027025 18054050