Search a number
-
+
83150945 = 5130312763
BaseRepresentation
bin1001111010011…
…00100001100001
312210110111122122
410331030201201
5132241312240
612130114025
72026525403
oct475144141
9183414578
1083150945
1142a33599
1223a1b915
13142c4657
14b086b73
1574774b5
hex4f4c861

83150945 has 8 divisors (see below), whose sum is σ = 99865536. Its totient is φ = 66464496.

The previous prime is 83150941. The next prime is 83150971. The reversal of 83150945 is 54905138.

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 83150945 - 22 = 83150941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83150941) 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, 134 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (12483192).

Almost surely, 283150945 is an apocalyptic number.

It is an amenable number.

83150945 is a deficient number, since it is larger than the sum of its proper divisors (16714591).

83150945 is a wasteful number, since it uses less digits than its factorization.

83150945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 83150945 is about 9118.7139992435. The cubic root of 83150945 is about 436.4713378343.

The spelling of 83150945 in words is "eighty-three million, one hundred fifty thousand, nine hundred forty-five".

Divisors: 1 5 1303 6515 12763 63815 16630189 83150945