Search a number
-
+
83135942 = 2434492153
BaseRepresentation
bin1001111010010…
…00110111000110
312210102202001222
410331020313012
5132240322232
612125520342
72026433561
oct475106706
9183382058
1083135942
1142a2329a
1223a130b2
13142ba886
14b0814d8
157472d12
hex4f48dc6

83135942 has 16 divisors (see below), whose sum is σ = 127947600. Its totient is φ = 40492032.

The previous prime is 83135909. The next prime is 83135947. The reversal of 83135942 is 24953138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83135947) 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, 37538 + ... + 39690.

It is an arithmetic number, because the mean of its divisors is an integer number (7996725).

Almost surely, 283135942 is an apocalyptic number.

83135942 is a deficient number, since it is larger than the sum of its proper divisors (44811658).

83135942 is a wasteful number, since it uses less digits than its factorization.

83135942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its digits is 25920, while the sum is 35.

The square root of 83135942 is about 9117.8913132368. The cubic root of 83135942 is about 436.4450852829.

The spelling of 83135942 in words is "eighty-three million, one hundred thirty-five thousand, nine hundred forty-two".

Divisors: 1 2 43 86 449 898 2153 4306 19307 38614 92579 185158 966697 1933394 41567971 83135942