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22916069 = 112189389
BaseRepresentation
bin101011101101…
…0101111100101
31121010020221022
41113122233211
521331303234
62135100525
7365532461
oct127325745
947106838
1022916069
1111a32200
127811745
134994807
1430874a1
152029e2e
hex15dabe5

22916069 has 6 divisors (see below), whose sum is σ = 25188870. Its totient is φ = 20832680.

The previous prime is 22916063. The next prime is 22916081. The reversal of 22916069 is 96061922.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 543169 = 4730^2 + 737^2 .

It is a de Polignac number, because none of the positive numbers 2k-22916069 is a prime.

It is a super-2 number, since 2×229160692 = 1050292436825522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22916063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94574 + ... + 94815.

It is an arithmetic number, because the mean of its divisors is an integer number (4198145).

Almost surely, 222916069 is an apocalyptic number.

It is an amenable number.

22916069 is a deficient number, since it is larger than the sum of its proper divisors (2272801).

22916069 is a wasteful number, since it uses less digits than its factorization.

22916069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189411 (or 189400 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 22916069 is about 4787.0731141273. The cubic root of 22916069 is about 284.0403508427.

The spelling of 22916069 in words is "twenty-two million, nine hundred sixteen thousand, sixty-nine".

Divisors: 1 11 121 189389 2083279 22916069