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229711493 = 1142149603
BaseRepresentation
bin11011011000100…
…01111010000101
3121000020112221002
431230101322011
5432301231433
634443303045
75456341544
oct1554217205
9530215832
10229711493
11108736710
1264b1aa85
133878ab7b
142271815b
15152779e8
hexdb11e85

229711493 has 8 divisors (see below), whose sum is σ = 251194656. Its totient is φ = 208328400.

The previous prime is 229711477. The next prime is 229711529. The reversal of 229711493 is 394117922.

229711493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 229711493 - 24 = 229711477 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 (229711393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20171 + ... + 29432.

It is an arithmetic number, because the mean of its divisors is an integer number (31399332).

Almost surely, 2229711493 is an apocalyptic number.

It is an amenable number.

229711493 is a deficient number, since it is larger than the sum of its proper divisors (21483163).

229711493 is a wasteful number, since it uses less digits than its factorization.

229711493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50035.

The product of its digits is 27216, while the sum is 38.

The square root of 229711493 is about 15156.2361092720. The cubic root of 229711493 is about 612.4362775857.

The spelling of 229711493 in words is "two hundred twenty-nine million, seven hundred eleven thousand, four hundred ninety-three".

Divisors: 1 11 421 4631 49603 545633 20882863 229711493