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5218512 = 243138363
BaseRepresentation
bin10011111010000011010000
3100211010110020
4103322003100
52313443022
6303503440
762233215
oct23720320
910733406
105218512
112a44822
1218b7b80
1311093a0
1499bb0c
156d135c
hex4fa0d0

5218512 has 40 divisors (see below), whose sum is σ = 14519904. Its totient is φ = 1605504.

The previous prime is 5218511. The next prime is 5218519. The reversal of 5218512 is 2158125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558 + ... + 4805.

Almost surely, 25218512 is an apocalyptic number.

5218512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5218512 is an abundant number, since it is smaller than the sum of its proper divisors (9301392).

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

5218512 is a wasteful number, since it uses less digits than its factorization.

5218512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387 (or 8381 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 5218512 is about 2284.4062685958. The cubic root of 5218512 is about 173.4531650001.

The spelling of 5218512 in words is "five million, two hundred eighteen thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 8363 16726 25089 33452 50178 66904 100356 108719 133808 200712 217438 326157 401424 434876 652314 869752 1304628 1739504 2609256 5218512