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18850014 = 2321955117
BaseRepresentation
bin100011111101…
…0000011011110
31022110200100200
41013322003132
514311200024
61512004330
7316136211
oct107720336
938420320
1018850014
11a705327
1263906a6
133b9cb71
142709778
1519c52c9
hex11fa0de

18850014 has 24 divisors (see below), whose sum is σ = 42992040. Its totient is φ = 5952528.

The previous prime is 18849997. The next prime is 18850019. The reversal of 18850014 is 41005881.

It is a self number, because there is not a number n which added to its sum of digits gives 18850014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18850019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27217 + ... + 27900.

It is an arithmetic number, because the mean of its divisors is an integer number (1791335).

Almost surely, 218850014 is an apocalyptic number.

18850014 is an abundant number, since it is smaller than the sum of its proper divisors (24142026).

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

18850014 is a wasteful number, since it uses less digits than its factorization.

18850014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55144 (or 55141 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 18850014 is about 4341.6602815052. The cubic root of 18850014 is about 266.1361637275.

Adding to 18850014 its reverse (41005881), we get a palindrome (59855895).

The spelling of 18850014 in words is "eighteen million, eight hundred fifty thousand, fourteen".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 55117 110234 165351 330702 496053 992106 1047223 2094446 3141669 6283338 9425007 18850014