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22893137 = 212910753
BaseRepresentation
bin101011101010…
…1001001010001
31121002002110222
41113111021101
521330040022
62134402425
7365405561
oct127251121
947062428
1022893137
1111a16a53
127800415
134987247
14307cda1
152023242
hex15d5251

22893137 has 4 divisors (see below), whose sum is σ = 22906020. Its totient is φ = 22880256.

The previous prime is 22893131. The next prime is 22893139. The reversal of 22893137 is 73139822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 8116801 = 3844^2 + 2849^2 .

It is a cyclic number.

It is not a de Polignac number, because 22893137 - 216 = 22827601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22893097 and 22893106.

It is not an unprimeable number, because it can be changed into a prime (22893131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (5726505).

Almost surely, 222893137 is an apocalyptic number.

It is an amenable number.

22893137 is a deficient number, since it is larger than the sum of its proper divisors (12883).

22893137 is a wasteful number, since it uses less digits than its factorization.

22893137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882.

The product of its digits is 18144, while the sum is 35.

The square root of 22893137 is about 4784.6773140934. The cubic root of 22893137 is about 283.9455732837.

The spelling of 22893137 in words is "twenty-two million, eight hundred ninety-three thousand, one hundred thirty-seven".

Divisors: 1 2129 10753 22893137