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89555705 = 5149120209
BaseRepresentation
bin1010101011010…
…00001011111001
320020111220022222
411111220023321
5140411240310
612515253425
72135132231
oct525501371
9206456288
1089555705
1146608588
1225baa275
1315727955
14bc72cc1
157ce0055
hex55682f9

89555705 has 8 divisors (see below), whose sum is σ = 108189000. Its totient is φ = 71163136.

The previous prime is 89555693. The next prime is 89555729. The reversal of 89555705 is 50755598.

It can be written as a sum of positive squares in 4 ways, for example, as 2637376 + 86918329 = 1624^2 + 9323^2 .

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 89555705 - 24 = 89555689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59360 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (13523625).

Almost surely, 289555705 is an apocalyptic number.

It is an amenable number.

89555705 is a deficient number, since it is larger than the sum of its proper divisors (18633295).

89555705 is a wasteful number, since it uses less digits than its factorization.

89555705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120363.

The product of its (nonzero) digits is 315000, while the sum is 44.

The square root of 89555705 is about 9463.3876069830. The cubic root of 89555705 is about 447.4018260966.

The spelling of 89555705 in words is "eighty-nine million, five hundred fifty-five thousand, seven hundred five".

Divisors: 1 5 149 745 120209 601045 17911141 89555705