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11572716 = 2231724771
BaseRepresentation
bin101100001001…
…010111101100
3210202221210010
4230021113230
510430311331
61052013220
7200236461
oct54112754
923687703
1011572716
116594831
123a61210
13252267c
141773668
151038e46
hexb095ec

11572716 has 72 divisors (see below), whose sum is σ = 29707776. Its totient is φ = 3503360.

The previous prime is 11572679. The next prime is 11572721. The reversal of 11572716 is 61727511.

11572716 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

Its product of digits (2940) is a multiple of the sum of its prime divisors (140).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162961 + ... + 163031.

It is an arithmetic number, because the mean of its divisors is an integer number (412608).

Almost surely, 211572716 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 11572716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14853888).

11572716 is an abundant number, since it is smaller than the sum of its proper divisors (18135060).

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

11572716 is a wasteful number, since it uses less digits than its factorization.

11572716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 140 counting only the distinct ones).

The product of its digits is 2940, while the sum is 30.

The square root of 11572716 is about 3401.8694860326. The cubic root of 11572716 is about 226.1926203911.

The spelling of 11572716 in words is "eleven million, five hundred seventy-two thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 47 51 68 71 94 102 141 142 188 204 213 282 284 289 426 564 578 799 852 867 1156 1207 1598 1734 2397 2414 3196 3337 3468 3621 4794 4828 6674 7242 9588 10011 13348 13583 14484 20022 20519 27166 40044 40749 41038 54332 56729 61557 81498 82076 113458 123114 162996 170187 226916 246228 340374 680748 964393 1928786 2893179 3857572 5786358 11572716