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5218772 = 2213100361
BaseRepresentation
bin10011111010000111010100
3100211010210212
4103322013110
52314000042
6303504552
762234036
oct23720724
910733725
105218772
112a44a39
1218b8158
131109540
1499bc56
156d1482
hex4fa1d4

5218772 has 12 divisors (see below), whose sum is σ = 9835476. Its totient is φ = 2408640.

The previous prime is 5218729. The next prime is 5218793. The reversal of 5218772 is 2778125.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 4519876 = 836^2 + 2126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50129 + ... + 50232.

It is an arithmetic number, because the mean of its divisors is an integer number (819623).

Almost surely, 25218772 is an apocalyptic number.

5218772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5218772 is a deficient number, since it is larger than the sum of its proper divisors (4616704).

5218772 is a wasteful number, since it uses less digits than its factorization.

5218772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100378 (or 100376 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 5218772 is about 2284.4631754528. The cubic root of 5218772 is about 173.4560455833.

It can be divided in two parts, 52 and 18772, that multiplied together give a square (976144 = 9882).

The spelling of 5218772 in words is "five million, two hundred eighteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 26 52 100361 200722 401444 1304693 2609386 5218772