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213163896 = 233112273557
BaseRepresentation
bin11001011010010…
…01111101111000
3112212002211220010
430231021331320
5414032221041
633052501520
75165602041
oct1455117570
9485084803
10213163896
11aa364210
125b47a8a0
1335215caa
142044b8c8
1513aa9a16
hexcb49f78

213163896 has 64 divisors (see below), whose sum is σ = 584081280. Its totient is φ = 64292480.

The previous prime is 213163889. The next prime is 213163921. The reversal of 213163896 is 698361312.

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, 58150 + ... + 61706.

It is an arithmetic number, because the mean of its divisors is an integer number (9126270).

Almost surely, 2213163896 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 213163896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292040640).

213163896 is an abundant number, since it is smaller than the sum of its proper divisors (370917384).

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

213163896 is a wasteful number, since it uses less digits than its factorization.

213163896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3800 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 213163896 is about 14600.1334240479. The cubic root of 213163896 is about 597.3623998775.

The spelling of 213163896 in words is "two hundred thirteen million, one hundred sixty-three thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 227 264 454 681 908 1362 1816 2497 2724 3557 4994 5448 7114 7491 9988 10671 14228 14982 19976 21342 28456 29964 39127 42684 59928 78254 85368 117381 156508 234762 313016 469524 807439 939048 1614878 2422317 3229756 4844634 6459512 8881829 9689268 17763658 19378536 26645487 35527316 53290974 71054632 106581948 213163896