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89077261 = 713978871
BaseRepresentation
bin1010100111100…
…11011000001101
320012121121000211
411103303120031
5140300433021
612501122421
72131100320
oct523633015
9205547024
1089077261
1146311079
12259b9411
13155bac50
14bb8a7b7
157c483e1
hex54f360d

89077261 has 8 divisors (see below), whose sum is σ = 109633664. Its totient is φ = 70478640.

The previous prime is 89077223. The next prime is 89077277. The reversal of 89077261 is 16277098.

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 89077261 - 211 = 89075213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89077201) 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, 489345 + ... + 489526.

It is an arithmetic number, because the mean of its divisors is an integer number (13704208).

Almost surely, 289077261 is an apocalyptic number.

It is an amenable number.

89077261 is a deficient number, since it is larger than the sum of its proper divisors (20556403).

89077261 is a wasteful number, since it uses less digits than its factorization.

89077261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978891.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 89077261 is about 9438.0750685720. The cubic root of 89077261 is about 446.6036671995.

The spelling of 89077261 in words is "eighty-nine million, seventy-seven thousand, two hundred sixty-one".

Divisors: 1 7 13 91 978871 6852097 12725323 89077261