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22830406 = 237308519
BaseRepresentation
bin101011100010…
…1110101000110
31120221220102121
41113011311012
521321033111
62133200154
7365024644
oct127056506
946856377
1022830406
1111983905
12779005a
134964821
143064194
15200e871
hex15c5d46

22830406 has 8 divisors (see below), whose sum is σ = 35171280. Its totient is φ = 11106648.

The previous prime is 22830397. The next prime is 22830413. The reversal of 22830406 is 60403822.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154186 + ... + 154333.

It is an arithmetic number, because the mean of its divisors is an integer number (4396410).

Almost surely, 222830406 is an apocalyptic number.

22830406 is a deficient number, since it is larger than the sum of its proper divisors (12340874).

22830406 is a wasteful number, since it uses less digits than its factorization.

22830406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308558.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22830406 is about 4778.1174117010. The cubic root of 22830406 is about 283.6859833460.

The spelling of 22830406 in words is "twenty-two million, eight hundred thirty thousand, four hundred six".

Divisors: 1 2 37 74 308519 617038 11415203 22830406