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22693072 = 247319429
BaseRepresentation
bin101011010010…
…0010011010000
31120200221001011
41112210103100
521302134242
62130220304
7363613363
oct126442320
946627034
1022693072
111189a706
127724694
13491716c
14302a0da
151ed3d17
hex15a44d0

22693072 has 20 divisors (see below), whose sum is σ = 44572420. Its totient is φ = 11190528.

The previous prime is 22693067. The next prime is 22693127. The reversal of 22693072 is 27039622.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 18181696 = 2124^2 + 4264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8547 + ... + 10882.

It is an arithmetic number, because the mean of its divisors is an integer number (2228621).

Almost surely, 222693072 is an apocalyptic number.

It is an amenable number.

22693072 is a deficient number, since it is larger than the sum of its proper divisors (21879348).

22693072 is a wasteful number, since it uses less digits than its factorization.

22693072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510 (or 19504 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22693072 is about 4763.7245932149. The cubic root of 22693072 is about 283.1160108220.

The spelling of 22693072 in words is "twenty-two million, six hundred ninety-three thousand, seventy-two".

Divisors: 1 2 4 8 16 73 146 292 584 1168 19429 38858 77716 155432 310864 1418317 2836634 5673268 11346536 22693072