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14074145 = 52814829
BaseRepresentation
bin110101101100…
…000100100001
3222111001002122
4311230010201
512100333040
61221354025
7230425331
oct65540441
928431078
1014074145
117a43128
124868915
132bba0c7
141c250c1
1513801b5
hexd6c121

14074145 has 4 divisors (see below), whose sum is σ = 16888980. Its totient is φ = 11259312.

The previous prime is 14074141. The next prime is 14074157. The reversal of 14074145 is 54147041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54147041 = 134165157.

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 3157729 = 3304^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 14074145 - 22 = 14074141 is a prime.

It is a super-4 number, since 4×140741454 (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (14074141) 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, 1407410 + ... + 1407419.

It is an arithmetic number, because the mean of its divisors is an integer number (4222245).

Almost surely, 214074145 is an apocalyptic number.

It is an amenable number.

14074145 is a deficient number, since it is larger than the sum of its proper divisors (2814835).

14074145 is an equidigital number, since it uses as much as digits as its factorization.

14074145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814834.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 14074145 is about 3751.5523453632. The cubic root of 14074145 is about 241.4389536884.

The spelling of 14074145 in words is "fourteen million, seventy-four thousand, one hundred forty-five".

Divisors: 1 5 2814829 14074145