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14922661 = 131147897
BaseRepresentation
bin111000111011…
…001110100101
31001002011001011
4320323032211
512310011121
61251502221
7240561205
oct70731645
931064034
1014922661
118472686
124bb7971
1331263a0
141da6405
15149b7e1
hexe3b3a5

14922661 has 4 divisors (see below), whose sum is σ = 16070572. Its totient is φ = 13774752.

The previous prime is 14922643. The next prime is 14922673. The reversal of 14922661 is 16622941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16622941 = 124913309.

It can be written as a sum of positive squares in 2 ways, for example, as 7873636 + 7049025 = 2806^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 14922661 - 25 = 14922629 is a prime.

It is a super-2 number, since 2×149226612 = 445371622641842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14922601) 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, 573936 + ... + 573961.

It is an arithmetic number, because the mean of its divisors is an integer number (4017643).

Almost surely, 214922661 is an apocalyptic number.

It is an amenable number.

14922661 is a deficient number, since it is larger than the sum of its proper divisors (1147911).

14922661 is a wasteful number, since it uses less digits than its factorization.

14922661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147910.

The product of its digits is 5184, while the sum is 31.

The square root of 14922661 is about 3862.9860212017. The cubic root of 14922661 is about 246.1966227166.

The spelling of 14922661 in words is "fourteen million, nine hundred twenty-two thousand, six hundred sixty-one".

Divisors: 1 13 1147897 14922661