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5218146 = 232289897
BaseRepresentation
bin10011111001111101100010
3100211002221200
4103321331202
52313440041
6303502030
762232153
oct23717542
910732850
105218146
112a4451a
1218b7916
13110917b
1499b92a
156d11b6
hex4f9f62

5218146 has 12 divisors (see below), whose sum is σ = 11306022. Its totient is φ = 1739376.

The previous prime is 5218139. The next prime is 5218151. The reversal of 5218146 is 6418125.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 2117025 = 1761^2 + 1455^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144931 + ... + 144966.

Almost surely, 25218146 is an apocalyptic number.

5218146 is an abundant number, since it is smaller than the sum of its proper divisors (6087876).

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

5218146 is a wasteful number, since it uses less digits than its factorization.

5218146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289905 (or 289902 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 5218146 is about 2284.3261588486. The cubic root of 5218146 is about 173.4491098632.

The spelling of 5218146 in words is "five million, two hundred eighteen thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 289897 579794 869691 1739382 2609073 5218146