Search a number
-
+
89125679 = 1712741281
BaseRepresentation
bin1010100111111…
…11001100101111
320012201001110002
411103333030233
5140304010204
612502134515
72131361426
oct523771457
9205631402
1089125679
1146344495
1225a2143b
1315606cb6
14bba02bd
157c5791e
hex54ff32f

89125679 has 8 divisors (see below), whose sum is σ = 95113728. Its totient is φ = 83220480.

The previous prime is 89125669. The next prime is 89125681. The reversal of 89125679 is 97652198.

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 89125679 - 28 = 89125423 is a prime.

It is a super-2 number, since 2×891256792 = 15886773314422082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89125669) 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, 18482 + ... + 22799.

It is an arithmetic number, because the mean of its divisors is an integer number (11889216).

Almost surely, 289125679 is an apocalyptic number.

89125679 is a deficient number, since it is larger than the sum of its proper divisors (5988049).

89125679 is a wasteful number, since it uses less digits than its factorization.

89125679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41425.

The product of its digits is 272160, while the sum is 47.

The square root of 89125679 is about 9440.6397558640. The cubic root of 89125679 is about 446.6845697757.

The spelling of 89125679 in words is "eighty-nine million, one hundred twenty-five thousand, six hundred seventy-nine".

Divisors: 1 17 127 2159 41281 701777 5242687 89125679