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229730773 = 1627141199
BaseRepresentation
bin11011011000101…
…10100111010101
3121000021112101011
431230112213111
5432302341043
634443532221
75456452006
oct1554264725
9530245334
10229730773
1110874a148
1264b2a071
133879688c
14227211ad
151527d59d
hexdb169d5

229730773 has 4 divisors (see below), whose sum is σ = 229873600. Its totient is φ = 229587948.

The previous prime is 229730771. The next prime is 229730791. The reversal of 229730773 is 377037922.

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 229730773 - 21 = 229730771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229730771) 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, 68973 + ... + 72226.

It is an arithmetic number, because the mean of its divisors is an integer number (57468400).

Almost surely, 2229730773 is an apocalyptic number.

It is an amenable number.

229730773 is a deficient number, since it is larger than the sum of its proper divisors (142827).

229730773 is a wasteful number, since it uses less digits than its factorization.

229730773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142826.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 229730773 is about 15156.8721377466. The cubic root of 229730773 is about 612.4534113113.

The spelling of 229730773 in words is "two hundred twenty-nine million, seven hundred thirty thousand, seven hundred seventy-three".

Divisors: 1 1627 141199 229730773