Search a number
-
+
83140151 = 89934159
BaseRepresentation
bin1001111010010…
…01111000110111
312210102221211212
410331021320313
5132240441101
612125552035
72026452053
oct475117067
9183387755
1083140151
1142a26476
1223a1561b
13142bc773
14b082c63
1574741bb
hex4f49e37

83140151 has 4 divisors (see below), whose sum is σ = 84074400. Its totient is φ = 82205904.

The previous prime is 83140117. The next prime is 83140201. The reversal of 83140151 is 15104138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83140151 - 210 = 83139127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83140951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466991 + ... + 467168.

It is an arithmetic number, because the mean of its divisors is an integer number (21018600).

Almost surely, 283140151 is an apocalyptic number.

83140151 is a deficient number, since it is larger than the sum of its proper divisors (934249).

83140151 is an equidigital number, since it uses as much as digits as its factorization.

83140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934248.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 83140151 is about 9118.1221202614. The cubic root of 83140151 is about 436.4524505946.

Adding to 83140151 its reverse (15104138), we get a palindrome (98244289).

The spelling of 83140151 in words is "eighty-three million, one hundred forty thousand, one hundred fifty-one".

Divisors: 1 89 934159 83140151