Search a number
-
+
10722768 = 243724797
BaseRepresentation
bin101000111001…
…110111010000
3202011202212120
4220321313100
510221112033
61021454240
7160066500
oct50716720
922152776
1010722768
1160641a1
123711380
1322b5844
1415d1a00
15e1c1b3
hexa39dd0

10722768 has 120 divisors (see below), whose sum is σ = 33247872. Its totient is φ = 2967552.

The previous prime is 10722739. The next prime is 10722769. The reversal of 10722768 is 86722701.

10722768 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×107227682 = 229955507163648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10722769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110496 + ... + 110592.

Almost surely, 210722768 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 10722768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623936).

10722768 is an abundant number, since it is smaller than the sum of its proper divisors (22525104).

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

10722768 is a wasteful number, since it uses less digits than its factorization.

10722768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 10722768 is about 3274.5637877433. The cubic root of 10722768 is about 220.5137305635.

Adding to 10722768 its product of nonzero digits (9408), we get a square (10732176 = 32762).

The spelling of 10722768 in words is "ten million, seven hundred twenty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 47 48 49 56 84 94 97 98 112 141 147 168 188 194 196 282 291 294 329 336 376 388 392 564 582 588 658 679 752 776 784 987 1128 1164 1176 1316 1358 1552 1974 2037 2256 2303 2328 2352 2632 2716 3948 4074 4559 4606 4656 4753 5264 5432 6909 7896 8148 9118 9212 9506 10864 13677 13818 14259 15792 16296 18236 18424 19012 27354 27636 28518 31913 32592 36472 36848 38024 54708 55272 57036 63826 72944 76048 95739 109416 110544 114072 127652 191478 218832 223391 228144 255304 382956 446782 510608 670173 765912 893564 1340346 1531824 1787128 2680692 3574256 5361384 10722768