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229199061 = 37134120477
BaseRepresentation
bin11011010100101…
…00110011010101
3120222021112000010
431222110303111
5432133332221
634424310433
75452105560
oct1552246325
9528245003
10229199061
11108416713
1264912419
133863b860
14226234d7
15151c5c76
hexda94cd5

229199061 has 32 divisors (see below), whose sum is σ = 385314048. Its totient is φ = 117941760.

The previous prime is 229199051. The next prime is 229199077. The reversal of 229199061 is 160991922.

It is not a de Polignac number, because 229199061 - 29 = 229198549 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229199051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955 + ... + 21431.

It is an arithmetic number, because the mean of its divisors is an integer number (12041064).

Almost surely, 2229199061 is an apocalyptic number.

229199061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

229199061 is a deficient number, since it is larger than the sum of its proper divisors (156114987).

229199061 is a wasteful number, since it uses less digits than its factorization.

229199061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20541.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 229199061 is about 15139.3216822948. The cubic root of 229199061 is about 611.9805383832.

The spelling of 229199061 in words is "two hundred twenty-nine million, one hundred ninety-nine thousand, sixty-one".

Divisors: 1 3 7 13 21 39 41 91 123 273 287 533 861 1599 3731 11193 20477 61431 143339 266201 430017 798603 839557 1863407 2518671 5590221 5876899 10914241 17630697 32742723 76399687 229199061