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14231994 = 237338857
BaseRepresentation
bin110110010010…
…100110111010
3222210001121220
4312102212322
512120410434
61225012510
7231653460
oct66224672
928701556
1014231994
118040787
124924136
132c43bca
141c66830
1513b1d49
hexd929ba

14231994 has 16 divisors (see below), whose sum is σ = 32530368. Its totient is φ = 4066272.

The previous prime is 14231989. The next prime is 14231999. The reversal of 14231994 is 49913241.

It is an interprime number because it is at equal distance from previous prime (14231989) and next prime (14231999).

It is not an unprimeable number, because it can be changed into a prime (14231999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 169387 + ... + 169470.

It is an arithmetic number, because the mean of its divisors is an integer number (2033148).

Almost surely, 214231994 is an apocalyptic number.

14231994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14231994 is an abundant number, since it is smaller than the sum of its proper divisors (18298374).

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

14231994 is a wasteful number, since it uses less digits than its factorization.

14231994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338869.

The product of its digits is 7776, while the sum is 33.

The square root of 14231994 is about 3772.5315108028. The cubic root of 14231994 is about 242.3382220656.

It can be divided in two parts, 14231 and 994, that added together give a triangular number (15225 = T174).

The spelling of 14231994 in words is "fourteen million, two hundred thirty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 338857 677714 1016571 2033142 2371999 4743998 7115997 14231994