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228124299 = 3135849341
BaseRepresentation
bin11011001100011…
…10011010001011
3120220020220201010
431212032122023
5431344434144
634345255003
75440011264
oct1546163213
9526226633
10228124299
11107852187
1264494463
13383535c0
142242396b
15150625b9
hexd98e68b

228124299 has 8 divisors (see below), whose sum is σ = 327563152. Its totient is φ = 140384160.

The previous prime is 228124291. The next prime is 228124301. The reversal of 228124299 is 992421822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228124299 - 23 = 228124291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5849341 = 228124299 / (2 + 2 + 8 + 1 + 2 + 4 + 2 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228124291) 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, 2924632 + ... + 2924709.

It is an arithmetic number, because the mean of its divisors is an integer number (40945394).

Almost surely, 2228124299 is an apocalyptic number.

228124299 is a deficient number, since it is larger than the sum of its proper divisors (99438853).

228124299 is a wasteful number, since it uses less digits than its factorization.

228124299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849357.

The product of its digits is 41472, while the sum is 39.

The square root of 228124299 is about 15103.7842609063. The cubic root of 228124299 is about 611.0224713445.

The spelling of 228124299 in words is "two hundred twenty-eight million, one hundred twenty-four thousand, two hundred ninety-nine".

Divisors: 1 3 13 39 5849341 17548023 76041433 228124299