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22830285 = 351522019
BaseRepresentation
bin101011100010…
…1110011001101
31120221220021010
41113011303031
521321032120
62133155433
7365024412
oct127056315
946856233
1022830285
1111983805
12778bb79
13496475a
143064109
15200e7e0
hex15c5ccd

22830285 has 8 divisors (see below), whose sum is σ = 36528480. Its totient is φ = 12176144.

The previous prime is 22830277. The next prime is 22830319. The reversal of 22830285 is 58203822.

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

It is a cyclic number.

It is not a de Polignac number, because 22830285 - 23 = 22830277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760995 + ... + 761024.

It is an arithmetic number, because the mean of its divisors is an integer number (4566060).

Almost surely, 222830285 is an apocalyptic number.

It is an amenable number.

22830285 is a deficient number, since it is larger than the sum of its proper divisors (13698195).

22830285 is a wasteful number, since it uses less digits than its factorization.

22830285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522027.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 22830285 is about 4778.1047497936. The cubic root of 22830285 is about 283.6854821713.

The spelling of 22830285 in words is "twenty-two million, eight hundred thirty thousand, two hundred eighty-five".

Divisors: 1 3 5 15 1522019 4566057 7610095 22830285