Search a number
-
+
89138193 = 329712731
BaseRepresentation
bin1010101000000…
…10010000010001
320012201200121120
411110002100101
5140304410233
612502312453
72131443054
oct524022021
9205650546
1089138193
1146352931
1225a28729
131560c8c1
14bba4a9b
157c5b4b3
hex5502411

89138193 has 4 divisors (see below), whose sum is σ = 118850928. Its totient is φ = 59425460.

The previous prime is 89138171. The next prime is 89138201. The reversal of 89138193 is 39183198.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89138193 - 218 = 88876049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89138393) 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, 14856363 + ... + 14856368.

It is an arithmetic number, because the mean of its divisors is an integer number (29712732).

Almost surely, 289138193 is an apocalyptic number.

It is an amenable number.

89138193 is a deficient number, since it is larger than the sum of its proper divisors (29712735).

89138193 is a wasteful number, since it uses less digits than its factorization.

89138193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29712734.

The product of its digits is 46656, while the sum is 42.

The square root of 89138193 is about 9441.3025054809. The cubic root of 89138193 is about 446.7054748959.

The spelling of 89138193 in words is "eighty-nine million, one hundred thirty-eight thousand, one hundred ninety-three".

Divisors: 1 3 29712731 89138193