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18460145 = 5112314593
BaseRepresentation
bin100011001101…
…0110111110001
31021201212120002
41012122313301
514211211040
61455355345
7312623444
oct106326761
937655502
1018460145
11a469420
126222b55
133a94582
14264765b
151949a15
hex119adf1

18460145 has 16 divisors (see below), whose sum is σ = 25218432. Its totient is φ = 12840960.

The previous prime is 18460129. The next prime is 18460157. The reversal of 18460145 is 54106481.

It is not a de Polignac number, because 18460145 - 24 = 18460129 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 6032 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (1576152).

Almost surely, 218460145 is an apocalyptic number.

It is an amenable number.

18460145 is a deficient number, since it is larger than the sum of its proper divisors (6758287).

18460145 is a wasteful number, since it uses less digits than its factorization.

18460145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18460145 is about 4296.5270859149. The cubic root of 18460145 is about 264.2885628410.

The spelling of 18460145 in words is "eighteen million, four hundred sixty thousand, one hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 14593 72965 160523 335639 802615 1678195 3692029 18460145