Base | Representation |
---|---|
bin | 11011011010000… |
… | …11100101011100 |
3 | 121000121220001100 |
4 | 31231003211130 |
5 | 432324234342 |
6 | 34451513100 |
7 | 5461150020 |
oct | 1555034534 |
9 | 530556040 |
10 | 229914972 |
11 | 108865581 |
12 | 64bb8790 |
13 | 3882c681 |
14 | 2276c380 |
15 | 152b7e4c |
hex | db4395c |
229914972 has 144 divisors (see below), whose sum is σ = 722176000. Its totient is φ = 60186240.
The previous prime is 229914961. The next prime is 229914977. The reversal of 229914972 is 279419922.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229914977) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147654 + ... + 149202.
Almost surely, 2229914972 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 229914972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361088000).
229914972 is an abundant number, since it is smaller than the sum of its proper divisors (492261028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229914972 is a wasteful number, since it uses less digits than its factorization.
229914972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1616 (or 1611 counting only the distinct ones).
The product of its digits is 163296, while the sum is 45.
The square root of 229914972 is about 15162.9473388257. The cubic root of 229914972 is about 612.6170567334.
It can be divided in two parts, 2299 and 14972, that added together give a palindrome (17271).
The spelling of 229914972 in words is "two hundred twenty-nine million, nine hundred fourteen thousand, nine hundred seventy-two".
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