Search a number
-
+
8242929 = 32915881
BaseRepresentation
bin11111011100011011110001
3120111210011200
4133130123301
54102233204
6452401413
7130030602
oct37343361
916453150
108242929
114720042
122916269
131927b96
141147da9
15acc539
hex7dc6f1

8242929 has 6 divisors (see below), whose sum is σ = 11906466. Its totient is φ = 5495280.

The previous prime is 8242919. The next prime is 8242933. The reversal of 8242929 is 9292428.

It can be written as a sum of positive squares in only one way, i.e., 4613904 + 3629025 = 2148^2 + 1905^2 .

It is not a de Polignac number, because 8242929 - 220 = 7194353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8242893 and 8242902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457932 + ... + 457949.

It is an arithmetic number, because the mean of its divisors is an integer number (1984411).

Almost surely, 28242929 is an apocalyptic number.

It is an amenable number.

8242929 is a deficient number, since it is larger than the sum of its proper divisors (3663537).

8242929 is a wasteful number, since it uses less digits than its factorization.

8242929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915887 (or 915884 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8242929 is about 2871.0501563017. The cubic root of 8242929 is about 202.0042560290.

The spelling of 8242929 in words is "eight million, two hundred forty-two thousand, nine hundred twenty-nine".

Divisors: 1 3 9 915881 2747643 8242929