Search a number
-
+
2208836939 = 29181420811
BaseRepresentation
bin1000001110101000…
…0010110101001011
312200221022112122112
42003222002311023
514010430240224
61003103012535
7105510542561
oct20352026513
95627275575
102208836939
11a33915981
1251789a14b
13292806a0a
1416d4dba31
15cddb530e
hex83a82d4b

2208836939 has 8 divisors (see below), whose sum is σ = 2297633520. Its totient is φ = 2120882400.

The previous prime is 2208836933. The next prime is 2208836951. The reversal of 2208836939 is 9396388022.

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

It is a cyclic number.

It is not a de Polignac number, because 2208836939 - 24 = 2208836923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2208836933) 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, 205157 + ... + 215654.

It is an arithmetic number, because the mean of its divisors is an integer number (287204190).

Almost surely, 22208836939 is an apocalyptic number.

2208836939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2208836939 is a deficient number, since it is larger than the sum of its proper divisors (88796581).

2208836939 is a wasteful number, since it uses less digits than its factorization.

2208836939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421021.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 2208836939 is about 46998.2652764972. The cubic root of 2208836939 is about 1302.3305215292.

The spelling of 2208836939 in words is "two billion, two hundred eight million, eight hundred thirty-six thousand, nine hundred thirty-nine".

Divisors: 1 29 181 5249 420811 12203519 76166791 2208836939