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14901990 = 235496733
BaseRepresentation
bin111000110110…
…001011100110
31001001002200120
4320312023212
512303330430
61251222410
7240444015
oct70661346
931032616
1014901990
1184590a4
124ba7a06
133119b5c
141d9ca7c
151495610
hexe362e6

14901990 has 16 divisors (see below), whose sum is σ = 35764848. Its totient is φ = 3973856.

The previous prime is 14901973. The next prime is 14902003. The reversal of 14901990 is 9910941.

It is a congruent number.

It is an unprimeable number.

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, 248337 + ... + 248396.

It is an arithmetic number, because the mean of its divisors is an integer number (2235303).

Almost surely, 214901990 is an apocalyptic number.

14901990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14901990 is an abundant number, since it is smaller than the sum of its proper divisors (20862858).

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

14901990 is a wasteful number, since it uses less digits than its factorization.

14901990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496743.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 14901990 is about 3860.3095730783. The cubic root of 14901990 is about 246.0828922849.

The spelling of 14901990 in words is "fourteen million, nine hundred one thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 496733 993466 1490199 2483665 2980398 4967330 7450995 14901990