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89161377 = 329720459
BaseRepresentation
bin1010101000001…
…11111010100001
320012202212102020
411110013322201
5140311131002
612503012053
72131600464
oct524077241
9205685366
1089161377
1146369298
1225a3a029
131561a316
14bbad2db
157c632bc
hex5507ea1

89161377 has 4 divisors (see below), whose sum is σ = 118881840. Its totient is φ = 59440916.

The previous prime is 89161367. The next prime is 89161427. The reversal of 89161377 is 77316198.

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 89161377 - 24 = 89161361 is a prime.

It is a super-2 number, since 2×891613772 = 15899502297072258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89161327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14860227 + ... + 14860232.

It is an arithmetic number, because the mean of its divisors is an integer number (29720460).

Almost surely, 289161377 is an apocalyptic number.

It is an amenable number.

89161377 is a deficient number, since it is larger than the sum of its proper divisors (29720463).

89161377 is a wasteful number, since it uses less digits than its factorization.

89161377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29720462.

The product of its digits is 63504, while the sum is 42.

The square root of 89161377 is about 9442.5302223504. The cubic root of 89161377 is about 446.7441994936.

The spelling of 89161377 in words is "eighty-nine million, one hundred sixty-one thousand, three hundred seventy-seven".

Divisors: 1 3 29720459 89161377