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230922469 = 288779987
BaseRepresentation
bin11011100001110…
…01100011100101
3121002112002002001
431300321203211
5433104004334
634525245301
75502544231
oct1560714345
9532462061
10230922469
11109393518
1265403831
1338ac311b
14229515c1
1515416714
hexdc398e5

230922469 has 4 divisors (see below), whose sum is σ = 231005344. Its totient is φ = 230839596.

The previous prime is 230922463. The next prime is 230922479. The reversal of 230922469 is 964229032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230922469 - 25 = 230922437 is a prime.

It is a super-2 number, since 2×2309224692 = 106650373378111922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230922463) 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, 37107 + ... + 42880.

It is an arithmetic number, because the mean of its divisors is an integer number (57751336).

Almost surely, 2230922469 is an apocalyptic number.

It is an amenable number.

230922469 is a deficient number, since it is larger than the sum of its proper divisors (82875).

230922469 is an equidigital number, since it uses as much as digits as its factorization.

230922469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82874.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 230922469 is about 15196.1333568773. The cubic root of 230922469 is about 613.5105906682.

The spelling of 230922469 in words is "two hundred thirty million, nine hundred twenty-two thousand, four hundred sixty-nine".

Divisors: 1 2887 79987 230922469