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14503990 = 251450399
BaseRepresentation
bin110111010101…
…000000110110
31000021212201211
4313111000312
512203111430
61234512034
7234165454
oct67250066
930255654
1014503990
118207076
124a3561a
13300a957
141cd79d4
15141772a
hexdd5036

14503990 has 8 divisors (see below), whose sum is σ = 26107200. Its totient is φ = 5801592.

The previous prime is 14503981. The next prime is 14503991. The reversal of 14503990 is 9930541.

14503990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14503991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725190 + ... + 725209.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 214503990 is an apocalyptic number.

14503990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14503990 is a deficient number, since it is larger than the sum of its proper divisors (11603210).

14503990 is a wasteful number, since it uses less digits than its factorization.

14503990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450406.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 14503990 is about 3808.4104295624. The cubic root of 14503990 is about 243.8723129287.

The spelling of 14503990 in words is "fourteen million, five hundred three thousand, nine hundred ninety".

Divisors: 1 2 5 10 1450399 2900798 7251995 14503990