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89131067 = 193461819
BaseRepresentation
bin1010101000000…
…00100000111011
320012201022211122
411110000200323
5140304143232
612502215455
72131413224
oct524004073
9205638748
1089131067
1146348543
1225a2458b
131560959c
14bba224b
157c59312
hex550083b

89131067 has 4 divisors (see below), whose sum is σ = 89593080. Its totient is φ = 88669056.

The previous prime is 89131061. The next prime is 89131099. The reversal of 89131067 is 76013198.

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 89131067 - 222 = 84936763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89131061) 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, 230717 + ... + 231102.

It is an arithmetic number, because the mean of its divisors is an integer number (22398270).

Almost surely, 289131067 is an apocalyptic number.

89131067 is a deficient number, since it is larger than the sum of its proper divisors (462013).

89131067 is a wasteful number, since it uses less digits than its factorization.

89131067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462012.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 89131067 is about 9440.9251135681. The cubic root of 89131067 is about 446.6935708776.

The spelling of 89131067 in words is "eighty-nine million, one hundred thirty-one thousand, sixty-seven".

Divisors: 1 193 461819 89131067