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22065696 = 25348513
BaseRepresentation
bin101010000101…
…1001000100000
31112112001110000
41110023020200
521122100241
62104540000
7355361322
oct124131040
945461400
1022065696
1111501314
127481600
134757733
142d05612
151e0ceb6
hex150b220

22065696 has 60 divisors (see below), whose sum is σ = 64902222. Its totient is φ = 7354368.

The previous prime is 22065689. The next prime is 22065697. The reversal of 22065696 is 69656022.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 9363600 = 3564^2 + 3060^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22065696.

It is not an unprimeable number, because it can be changed into a prime (22065697) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1665 + ... + 6848.

Almost surely, 222065696 is an apocalyptic number.

It is an amenable number.

22065696 is an abundant number, since it is smaller than the sum of its proper divisors (42836526).

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

22065696 is an equidigital number, since it uses as much as digits as its factorization.

22065696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535 (or 8518 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 22065696 is about 4697.4137565260. The cubic root of 22065696 is about 280.4825691934.

The spelling of 22065696 in words is "twenty-two million, sixty-five thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 8513 17026 25539 34052 51078 68104 76617 102156 136208 153234 204312 229851 272416 306468 408624 459702 612936 689553 817248 919404 1225872 1379106 1838808 2451744 2758212 3677616 5516424 7355232 11032848 22065696