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22145692 = 228962207
BaseRepresentation
bin101010001111…
…0101010011100
31112200010011211
41110132222130
521132130232
62110354204
7356143462
oct124365234
945603154
1022145692
1111556428
1274bb964
134784c7a
142d26832
151e26a47
hex151ea9c

22145692 has 12 divisors (see below), whose sum is σ = 39191040. Its totient is φ = 10948256.

The previous prime is 22145663. The next prime is 22145723. The reversal of 22145692 is 29654122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30748 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 222145692 is an apocalyptic number.

It is an amenable number.

22145692 is a deficient number, since it is larger than the sum of its proper divisors (17045348).

22145692 is a wasteful number, since it uses less digits than its factorization.

22145692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62300 (or 62298 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 22145692 is about 4705.9209513123. The cubic root of 22145692 is about 280.8211101193.

The spelling of 22145692 in words is "twenty-two million, one hundred forty-five thousand, six hundred ninety-two".

Divisors: 1 2 4 89 178 356 62207 124414 248828 5536423 11072846 22145692