Search a number
-
+
20084734 = 244322669
BaseRepresentation
bin100110010011…
…1011111111110
31101210102002001
41030213133332
520120202414
61554252514
7332501035
oct114473776
941712061
1020084734
1110378a5a
12688713a
134212b77
14294b71c
151b6b074
hex13277fe

20084734 has 8 divisors (see below), whose sum is σ = 30196440. Its totient is φ = 10019256.

The previous prime is 20084731. The next prime is 20084737. The reversal of 20084734 is 43748002.

It is an interprime number because it is at equal distance from previous prime (20084731) and next prime (20084737).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10449 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (3774555).

Almost surely, 220084734 is an apocalyptic number.

20084734 is a deficient number, since it is larger than the sum of its proper divisors (10111706).

20084734 is a wasteful number, since it uses less digits than its factorization.

20084734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23114.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 20084734 is about 4481.5994912531. The cubic root of 20084734 is about 271.8245606697.

The spelling of 20084734 in words is "twenty million, eighty-four thousand, seven hundred thirty-four".

Divisors: 1 2 443 886 22669 45338 10042367 20084734