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22073716 = 2272112621
BaseRepresentation
bin101010000110…
…1000101110100
31112112110110001
41110031011310
521122324331
62105041044
7355423600
oct124150564
945473401
1022073716
1111507345
127486184
13475b292
142d08500
151e10561
hex150d174

22073716 has 18 divisors (see below), whose sum is σ = 44936178. Its totient is φ = 9460080.

The previous prime is 22073713. The next prime is 22073731. The reversal of 22073716 is 61737022.

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 729316 = 4620^2 + 854^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22073713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56115 + ... + 56506.

Almost surely, 222073716 is an apocalyptic number.

It is an amenable number.

22073716 is an abundant number, since it is smaller than the sum of its proper divisors (22862462).

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

22073716 is a wasteful number, since it uses less digits than its factorization.

22073716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112639 (or 112630 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 22073716 is about 4698.2673402011. The cubic root of 22073716 is about 280.5165464845.

The spelling of 22073716 in words is "twenty-two million, seventy-three thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 112621 225242 450484 788347 1576694 3153388 5518429 11036858 22073716