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5236640 = 255231423
BaseRepresentation
bin10011111110011110100000
3100212001022122
4103332132200
52320033030
6304123412
762340113
oct23763640
910761278
105236640
112a57402
121906568
131114706
149a457a
156d68e5
hex4fe7a0

5236640 has 48 divisors (see below), whose sum is σ = 12918528. Its totient is φ = 2002176.

The previous prime is 5236633. The next prime is 5236661. The reversal of 5236640 is 466325.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (269136).

Almost surely, 25236640 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 5236640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6459264).

5236640 is an abundant number, since it is smaller than the sum of its proper divisors (7681888).

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

5236640 is a wasteful number, since it uses less digits than its factorization.

5236640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5236640 is about 2288.3705993567. The cubic root of 5236640 is about 173.6537793414.

The spelling of 5236640 in words is "five million, two hundred thirty-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1423 1840 2846 3680 5692 7115 11384 14230 22768 28460 32729 45536 56920 65458 113840 130916 163645 227680 261832 327290 523664 654580 1047328 1309160 2618320 5236640