Search a number
-
+
83109294 = 2331790533
BaseRepresentation
bin1001111010000…
…10010110101110
312210101101112000
410331002112232
5132233444134
612125153130
72026263102
oct475022656
9183341460
1083109294
1142a05274
12239bb7a6
13142ab6c8
14b075902
157469e99
hex4f425ae

83109294 has 32 divisors (see below), whose sum is σ = 195553440. Its totient is φ = 26073216.

The previous prime is 83109293. The next prime is 83109307. The reversal of 83109294 is 49290138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83109293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44349 + ... + 46184.

It is an arithmetic number, because the mean of its divisors is an integer number (6111045).

Almost surely, 283109294 is an apocalyptic number.

83109294 is an abundant number, since it is smaller than the sum of its proper divisors (112444146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83109294 is a wasteful number, since it uses less digits than its factorization.

83109294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90561 (or 90555 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 83109294 is about 9116.4298933300. The cubic root of 83109294 is about 436.3984482881.

The spelling of 83109294 in words is "eighty-three million, one hundred nine thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 90533 181066 271599 543198 814797 1539061 1629594 2444391 3078122 4617183 4888782 9234366 13851549 27703098 41554647 83109294