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22797938 = 216936733
BaseRepresentation
bin101011011110…
…1111001110010
31120220020220002
41112331321302
521314013223
62132350002
7364531202
oct126757162
946806802
1022797938
1111961479
127775302
134952b07
143056402
152004e28
hex15bde72

22797938 has 8 divisors (see below), whose sum is σ = 34222188. Its totient is φ = 11390544.

The previous prime is 22797919. The next prime is 22797941. The reversal of 22797938 is 83979722.

It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 1940449 = 4567^2 + 1393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22797892 and 22797901.

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, 20 + ... + 6752.

Almost surely, 222797938 is an apocalyptic number.

22797938 is a deficient number, since it is larger than the sum of its proper divisors (11424250).

22797938 is a wasteful number, since it uses less digits than its factorization.

22797938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428.

The product of its digits is 381024, while the sum is 47.

The square root of 22797938 is about 4774.7186304535. The cubic root of 22797938 is about 283.5514392901.

The spelling of 22797938 in words is "twenty-two million, seven hundred ninety-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 1693 3386 6733 13466 11398969 22797938