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5418081 = 326171139
BaseRepresentation
bin10100101010110001100001
3101012021012200
4110222301201
52341334311
6312043413
764024104
oct24526141
911167180
105418081
113070759
121993569
131179186
14a1073b
15720556
hex52ac61

5418081 has 24 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 3477600.

The previous prime is 5418079. The next prime is 5418143. The reversal of 5418081 is 1808145.

It is not a de Polignac number, because 5418081 - 21 = 5418079 is a prime.

It is a super-2 number, since 2×54180812 = 58711203445122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5418181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38910 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 25418081 is an apocalyptic number.

It is an amenable number.

5418081 is a deficient number, since it is larger than the sum of its proper divisors (2706399).

5418081 is a wasteful number, since it uses less digits than its factorization.

5418081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 5418081 is about 2327.6771683376. The cubic root of 5418081 is about 175.6366578720.

The spelling of 5418081 in words is "five million, four hundred eighteen thousand, eighty-one".

Divisors: 1 3 9 61 71 139 183 213 417 549 639 1251 4331 8479 9869 12993 25437 29607 38979 76311 88821 602009 1806027 5418081