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5123216 = 247149307
BaseRepresentation
bin10011100010110010010000
3100122021201202
4103202302100
52302420331
6301450332
761355330
oct23426220
910567652
105123216
11298a16a
1218709a8
1310a4bb7
149750c0
156b2ecb
hex4e2c90

5123216 has 40 divisors (see below), whose sum is σ = 11457600. Its totient is φ = 2173824.

The previous prime is 5123203. The next prime is 5123219. The reversal of 5123216 is 6123215.

It is not an unprimeable number, because it can be changed into a prime (5123219) 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, 16535 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

Almost surely, 25123216 is an apocalyptic number.

5123216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5728800).

5123216 is an abundant number, since it is smaller than the sum of its proper divisors (6334384).

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

5123216 is a wasteful number, since it uses less digits than its factorization.

5123216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 465 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 5123216 is about 2263.4522305540. The cubic root of 5123216 is about 172.3908544306.

Subtracting 5123216 from its reverse (6123215), we obtain a palindrome (999999).

The spelling of 5123216 in words is "five million, one hundred twenty-three thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 149 298 307 596 614 1043 1192 1228 2086 2149 2384 2456 4172 4298 4912 8344 8596 16688 17192 34384 45743 91486 182972 320201 365944 640402 731888 1280804 2561608 5123216