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5187812 = 227414519
BaseRepresentation
bin10011110010100011100100
3100202120100012
4103302203210
52312002222
6303105352
762044550
oct23624344
910676305
105187812
112a23753
1218a2258
1310c8416
14990860
156c71e2
hex4f28e4

5187812 has 24 divisors (see below), whose sum is σ = 10631040. Its totient is φ = 2168640.

The previous prime is 5187803. The next prime is 5187827. The reversal of 5187812 is 2187815.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (442960).

Almost surely, 25187812 is an apocalyptic number.

It is an amenable number.

5187812 is an abundant number, since it is smaller than the sum of its proper divisors (5443228).

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

5187812 is a wasteful number, since it uses less digits than its factorization.

5187812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 5187812 is about 2277.6768866545. The cubic root of 5187812 is about 173.1123597665.

The spelling of 5187812 in words is "five million, one hundred eighty-seven thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 4519 9038 18076 31633 63266 126532 185279 370558 741116 1296953 2593906 5187812