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14987814 = 2313917971
BaseRepresentation
bin111001001011…
…001000100110
31001012110102020
4321023020212
512314102224
61253124010
7241252152
oct71131046
931173366
1014987814
118507626
125029606
133149c3a
141dc2062
1514b0c79
hexe4b226

14987814 has 16 divisors (see below), whose sum is σ = 30192960. Its totient is φ = 4959720.

The previous prime is 14987813. The next prime is 14987851. The reversal of 14987814 is 41878941.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14987813) 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 7 ways as a sum of consecutive naturals, for example, 8152 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (1887060).

Almost surely, 214987814 is an apocalyptic number.

14987814 is an abundant number, since it is smaller than the sum of its proper divisors (15205146).

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

14987814 is a wasteful number, since it uses less digits than its factorization.

14987814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115.

The product of its digits is 64512, while the sum is 42.

The square root of 14987814 is about 3871.4098207242. The cubic root of 14987814 is about 246.5544043165.

The spelling of 14987814 in words is "fourteen million, nine hundred eighty-seven thousand, eight hundred fourteen".

Divisors: 1 2 3 6 139 278 417 834 17971 35942 53913 107826 2497969 4995938 7493907 14987814