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5217256 = 2311101587
BaseRepresentation
bin10011111001101111101000
3100211001201201
4103321233220
52313423011
6303453544
762226442
oct23715750
910731651
105217256
112a43890
1218b72b4
131108945
1499b492
156d0cc1
hex4f9be8

5217256 has 32 divisors (see below), whose sum is σ = 10795680. Its totient is φ = 2344000.

The previous prime is 5217253. The next prime is 5217257. The reversal of 5217256 is 6527125.

It is not an unprimeable number, because it can be changed into a prime (5217253) 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, 8595 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

Almost surely, 25217256 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 5217256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5397840).

5217256 is an abundant number, since it is smaller than the sum of its proper divisors (5578424).

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

5217256 is a wasteful number, since it uses less digits than its factorization.

5217256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 701 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 5217256 is about 2284.1313447348. The cubic root of 5217256 is about 173.4392482198.

It can be divided in two parts, 521725 and 6, that added together give a triangular number (521731 = T1021).

The spelling of 5217256 in words is "five million, two hundred seventeen thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 101 202 404 587 808 1111 1174 2222 2348 4444 4696 6457 8888 12914 25828 51656 59287 118574 237148 474296 652157 1304314 2608628 5217256