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89876545 = 5116012719
BaseRepresentation
bin1010101101101…
…10100001000001
320021010012102221
411112312201001
5141002022140
612530211041
72140636513
oct526664101
9207105387
1089876545
1146807640
1226123a81
131580a9b5
14bd17bb3
157d5514a
hex55b6841

89876545 has 16 divisors (see below), whose sum is σ = 117895680. Its totient is φ = 65232000.

The previous prime is 89876519. The next prime is 89876599. The reversal of 89876545 is 54567898.

89876545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 89876545 - 25 = 89876513 is a prime.

It is a super-2 number, since 2×898765452 = 16155586682274050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89876492 and 89876501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31696 + ... + 34414.

It is an arithmetic number, because the mean of its divisors is an integer number (7368480).

Almost surely, 289876545 is an apocalyptic number.

It is an amenable number.

89876545 is a deficient number, since it is larger than the sum of its proper divisors (28019135).

89876545 is a wasteful number, since it uses less digits than its factorization.

89876545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336.

The product of its digits is 2419200, while the sum is 52.

The square root of 89876545 is about 9480.3240978355. The cubic root of 89876545 is about 447.9354728093.

The spelling of 89876545 in words is "eighty-nine million, eight hundred seventy-six thousand, five hundred forty-five".

Divisors: 1 5 11 55 601 2719 3005 6611 13595 29909 33055 149545 1634119 8170595 17975309 89876545