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5254640 = 245193457
BaseRepresentation
bin10100000010110111110000
3100212222000022
4110002313300
52321122030
6304343012
762443436
oct24026760
910788008
105254640
112a69986
121914a68
13111c971
149aad56
156dbde5
hex502df0

5254640 has 40 divisors (see below), whose sum is σ = 12863760. Its totient is φ = 1990656.

The previous prime is 5254637. The next prime is 5254651. The reversal of 5254640 is 464525.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×52546402 = 55222483059200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (321594).

Almost surely, 25254640 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 5254640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6431880).

5254640 is an abundant number, since it is smaller than the sum of its proper divisors (7609120).

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

5254640 is a wasteful number, since it uses less digits than its factorization.

5254640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5254640 is about 2292.3001548663. The cubic root of 5254640 is about 173.8525195916.

The spelling of 5254640 in words is "five million, two hundred fifty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 3457 6914 13828 17285 27656 34570 55312 65683 69140 131366 138280 262732 276560 328415 525464 656830 1050928 1313660 2627320 5254640