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14451993 = 331373907
BaseRepresentation
bin110111001000…
…010100011001
31000012020102000
4313020110121
512144430433
61233431213
7233561043
oct67102431
930166360
1014451993
118180aa6
124a0b509
132cc009a
141cc2a93
151407113
hexdc8519

14451993 has 16 divisors (see below), whose sum is σ = 21572160. Its totient is φ = 9561888.

The previous prime is 14451973. The next prime is 14452021. The reversal of 14451993 is 39915441.

It is a happy number.

It is not a de Polignac number, because 14451993 - 26 = 14451929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14451973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (1348260).

Almost surely, 214451993 is an apocalyptic number.

It is an amenable number.

14451993 is a deficient number, since it is larger than the sum of its proper divisors (7120167).

14451993 is a wasteful number, since it uses less digits than its factorization.

14451993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4047 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 14451993 is about 3801.5776987982. The cubic root of 14451993 is about 243.5805354634.

The spelling of 14451993 in words is "fourteen million, four hundred fifty-one thousand, nine hundred ninety-three".

Divisors: 1 3 9 27 137 411 1233 3699 3907 11721 35163 105489 535259 1605777 4817331 14451993