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5218308 = 2232433371
BaseRepresentation
bin10011111010000000000100
3100211010011200
4103322000010
52313441213
6303502500
762232504
oct23720004
910733150
105218308
112a44657
1218b7a30
131109274
1499ba04
156d1273
hex4fa004

5218308 has 36 divisors (see below), whose sum is σ = 13501488. Its totient is φ = 1698480.

The previous prime is 5218307. The next prime is 5218313. The reversal of 5218308 is 8038125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (5218307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138 + ... + 3233.

Almost surely, 25218308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6750744).

5218308 is an abundant number, since it is smaller than the sum of its proper divisors (8283180).

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

5218308 is a wasteful number, since it uses less digits than its factorization.

5218308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3419 counting only the distinct ones).

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

The square root of 5218308 is about 2284.3616176079. The cubic root of 5218308 is about 173.4509047833.

The spelling of 5218308 in words is "five million, two hundred eighteen thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 3371 6742 10113 13484 20226 30339 40452 60678 121356 144953 289906 434859 579812 869718 1304577 1739436 2609154 5218308