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10313212 = 2271329977
BaseRepresentation
bin100111010101…
…110111111100
3201101222001211
4213111313330
510120010322
61005014204
7153442450
oct47256774
921358054
1010313212
115904518
123554364
1321a12c0
141526660
15d8ab77
hex9d5dfc

10313212 has 48 divisors (see below), whose sum is σ = 23002560. Its totient is φ = 3935232.

The previous prime is 10313201. The next prime is 10313227. The reversal of 10313212 is 21231301.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10313192 and 10313201.

It is a congruent number.

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, 10068 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (479220).

Almost surely, 210313212 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 10313212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11501280).

10313212 is an abundant number, since it is smaller than the sum of its proper divisors (12689348).

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

10313212 is a wasteful number, since it uses less digits than its factorization.

10313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10313212 is about 3211.4190010025. The cubic root of 10313212 is about 217.6697015301.

Adding to 10313212 its reverse (21231301), we get a palindrome (31544513).

The spelling of 10313212 in words is "ten million, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 29 52 58 91 116 182 203 364 377 406 754 812 977 1508 1954 2639 3908 5278 6839 10556 12701 13678 25402 27356 28333 50804 56666 88907 113332 177814 198331 355628 368329 396662 736658 793324 1473316 2578303 5156606 10313212