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5031312 = 2431113733
BaseRepresentation
bin10011001100010110010000
3100110121122220
4103030112100
52242000222
6255501040
760523356
oct23142620
910417586
105031312
112927110
121827780
131072110
1494d7d6
15695b5c
hex4cc590

5031312 has 80 divisors (see below), whose sum is σ = 15290688. Its totient is φ = 1405440.

The previous prime is 5031287. The next prime is 5031329. The reversal of 5031312 is 2131305.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5031291 and 5031300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6498 + ... + 7230.

Almost surely, 25031312 is an apocalyptic number.

5031312 is a gapful number since it is divisible by the number (52) 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 5031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7645344).

5031312 is an abundant number, since it is smaller than the sum of its proper divisors (10259376).

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

5031312 is a wasteful number, since it uses less digits than its factorization.

5031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 5031312 is about 2243.0586260729. The cubic root of 5031312 is about 171.3538039033.

Adding to 5031312 its reverse (2131305), we get a palindrome (7162617).

The spelling of 5031312 in words is "five million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 132 143 156 176 208 264 286 312 429 528 572 624 733 858 1144 1466 1716 2199 2288 2932 3432 4398 5864 6864 8063 8796 9529 11728 16126 17592 19058 24189 28587 32252 35184 38116 48378 57174 64504 76232 96756 104819 114348 129008 152464 193512 209638 228696 314457 387024 419276 457392 628914 838552 1257828 1677104 2515656 5031312