Search a number
-
+
2981229 = 32934267
BaseRepresentation
bin1011010111110101101101
312121110110220
423113311231
51230344404
6143521553
734224426
oct13276555
95543426
102981229
111756929
12bb92b9
13804c54
1457864d
153dd4d9
hex2d7d6d

2981229 has 8 divisors (see below), whose sum is σ = 4112160. Its totient is φ = 1918896.

The previous prime is 2981221. The next prime is 2981243. The reversal of 2981229 is 9221892.

It is a happy number.

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

It is not a de Polignac number, because 2981229 - 23 = 2981221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2981229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981221) 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, 17047 + ... + 17220.

It is an arithmetic number, because the mean of its divisors is an integer number (514020).

22981229 is an apocalyptic number.

2981229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2981229 is a deficient number, since it is larger than the sum of its proper divisors (1130931).

2981229 is a wasteful number, since it uses less digits than its factorization.

2981229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34299.

The product of its digits is 5184, while the sum is 33.

The square root of 2981229 is about 1726.6235837611. The cubic root of 2981229 is about 143.9235222760.

The spelling of 2981229 in words is "two million, nine hundred eighty-one thousand, two hundred twenty-nine".

Divisors: 1 3 29 87 34267 102801 993743 2981229