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229885473 = 376628491
BaseRepresentation
bin11011011001111…
…00011000100001
3121000120101120210
431230330120201
5432322313343
634451124333
75460665016
oct1554743041
9530511523
10229885473
111088453a4
1264ba36a9
133881c10c
142276170d
15152ae333
hexdb3c621

229885473 has 4 divisors (see below), whose sum is σ = 306513968. Its totient is φ = 153256980.

The previous prime is 229885471. The next prime is 229885493. The reversal of 229885473 is 374588922.

229885473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 229885473 - 21 = 229885471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229885471) 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, 38314243 + ... + 38314248.

It is an arithmetic number, because the mean of its divisors is an integer number (76628492).

Almost surely, 2229885473 is an apocalyptic number.

It is an amenable number.

229885473 is a deficient number, since it is larger than the sum of its proper divisors (76628495).

229885473 is an equidigital number, since it uses as much as digits as its factorization.

229885473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76628494.

The product of its digits is 967680, while the sum is 48.

The square root of 229885473 is about 15161.9745745731. The cubic root of 229885473 is about 612.5908552159.

The spelling of 229885473 in words is "two hundred twenty-nine million, eight hundred eighty-five thousand, four hundred seventy-three".

Divisors: 1 3 76628491 229885473