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18050060 = 2257314159
BaseRepresentation
bin100010011011…
…0110000001100
31020222001000202
41010312300030
514110100220
61442513032
7306265040
oct104666014
936861022
1018050060
11a209306
126065778
13397ca12
14257c020
1518b8275
hex1136c0c

18050060 has 48 divisors (see below), whose sum is σ = 44728320. Its totient is φ = 5987520.

The previous prime is 18050059. The next prime is 18050069. The reversal of 18050060 is 6005081.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (18050069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (931840).

Almost surely, 218050060 is an apocalyptic number.

18050060 is a gapful number since it is divisible by the number (10) 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 18050060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22364160).

18050060 is an abundant number, since it is smaller than the sum of its proper divisors (26678260).

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

18050060 is a wasteful number, since it uses less digits than its factorization.

18050060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 18050060 is about 4248.5362185110. The cubic root of 18050060 is about 262.3168669760.

The spelling of 18050060 in words is "eighteen million, fifty thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4159 4340 8318 16636 20795 29113 41590 58226 83180 116452 128929 145565 257858 291130 515716 582260 644645 902503 1289290 1805006 2578580 3610012 4512515 9025030 18050060