Search a number
-
+
14445890 = 251976031
BaseRepresentation
bin110111000110…
…110101000010
31000011221000222
4313012311002
512144232030
61233343042
7233534204
oct67066502
930157028
1014445890
118177458
124a07a82
132cba384
141cc0774
1514053e5
hexdc6d42

14445890 has 16 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 5474160.

The previous prime is 14445887. The next prime is 14445911. The reversal of 14445890 is 9854441.

It is a happy number.

14445890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 14445890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37826 + ... + 38205.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 214445890 is an apocalyptic number.

14445890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14445890 is a deficient number, since it is larger than the sum of its proper divisors (12925630).

14445890 is a wasteful number, since it uses less digits than its factorization.

14445890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76057.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 14445890 is about 3800.7749209865. The cubic root of 14445890 is about 243.5462430463.

The spelling of 14445890 in words is "fourteen million, four hundred forty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 76031 152062 380155 760310 1444589 2889178 7222945 14445890