Search a number
-
+
83734121 = 196765777
BaseRepresentation
bin1001111110110…
…10111001101001
312211120010121202
410333122321221
5132413442441
612150413545
72034504542
oct477327151
9184503552
1083734121
11432a1759
12240612b5
1314469c23
14b1994c9
15754019b
hex4fdae69

83734121 has 8 divisors (see below), whose sum is σ = 89458080. Its totient is φ = 78141888.

The previous prime is 83734111. The next prime is 83734153. The reversal of 83734121 is 12143738.

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 83734121 - 214 = 83717737 is a prime.

It is a super-2 number, since 2×837341212 = 14022806039285282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83734111) 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 7 ways as a sum of consecutive naturals, for example, 31616 + ... + 34161.

It is an arithmetic number, because the mean of its divisors is an integer number (11182260).

Almost surely, 283734121 is an apocalyptic number.

It is an amenable number.

83734121 is a deficient number, since it is larger than the sum of its proper divisors (5723959).

83734121 is a wasteful number, since it uses less digits than its factorization.

83734121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65863.

The product of its digits is 4032, while the sum is 29.

The square root of 83734121 is about 9150.6350052879. The cubic root of 83734121 is about 437.4893533191.

Adding to 83734121 its reverse (12143738), we get a palindrome (95877859).

The spelling of 83734121 in words is "eighty-three million, seven hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 19 67 1273 65777 1249763 4407059 83734121