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22680297 = 333773311
BaseRepresentation
bin101011010000…
…1001011101001
31120200021112000
41112201023221
521301232142
62130041213
7363531213
oct126411351
946607460
1022680297
1111891052
127719209
1349113c3
1430255b3
151ed014c
hex15a12e9

22680297 has 32 divisors (see below), whose sum is σ = 35093760. Its totient is φ = 14463360.

The previous prime is 22680289. The next prime is 22680299. The reversal of 22680297 is 79208622.

It is not a de Polignac number, because 22680297 - 23 = 22680289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22680299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72772 + ... + 73082.

It is an arithmetic number, because the mean of its divisors is an integer number (1096680).

Almost surely, 222680297 is an apocalyptic number.

22680297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22680297 is a deficient number, since it is larger than the sum of its proper divisors (12413463).

22680297 is a wasteful number, since it uses less digits than its factorization.

22680297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22680297 is about 4762.3835418832. The cubic root of 22680297 is about 283.0628744001.

It can be divided in two parts, 2268029 and 7, that added together give a square (2268036 = 15062).

The spelling of 22680297 in words is "twenty-two million, six hundred eighty thousand, two hundred ninety-seven".

Divisors: 1 3 9 27 37 73 111 219 311 333 657 933 999 1971 2701 2799 8103 8397 11507 22703 24309 34521 68109 72927 103563 204327 310689 612981 840011 2520033 7560099 22680297