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22014149 = 37594977
BaseRepresentation
bin101001111111…
…0100011000101
31112102102201212
41103332203011
521113423044
62103501205
7355055123
oct123764305
945372655
1022014149
1111476613
127457805
13473a131
142cd0913
151deca9e
hex14fe8c5

22014149 has 4 divisors (see below), whose sum is σ = 22609164. Its totient is φ = 21419136.

The previous prime is 22014131. The next prime is 22014191. The reversal of 22014149 is 94141022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18748900 + 3265249 = 4330^2 + 1807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22014149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22014449) 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, 297452 + ... + 297525.

It is an arithmetic number, because the mean of its divisors is an integer number (5652291).

Almost surely, 222014149 is an apocalyptic number.

It is an amenable number.

22014149 is a deficient number, since it is larger than the sum of its proper divisors (595015).

22014149 is an equidigital number, since it uses as much as digits as its factorization.

22014149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595014.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 22014149 is about 4691.9238058604. The cubic root of 22014149 is about 280.2639899720.

The spelling of 22014149 in words is "twenty-two million, fourteen thousand, one hundred forty-nine".

Divisors: 1 37 594977 22014149