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89941555 = 5118231987
BaseRepresentation
bin1010101110001…
…10011000110011
320021020111121201
411113012120303
5141011112210
612531432031
72141330164
oct527063063
9207214551
1089941555
1146851470
1226155617
1315831472
14bd3376b
157d6953a
hex55c6633

89941555 has 16 divisors (see below), whose sum is σ = 117944064. Its totient is φ = 65299680.

The previous prime is 89941549. The next prime is 89941589. The reversal of 89941555 is 55514998.

It is a de Polignac number, because none of the positive numbers 2k-89941555 is a prime.

It is a Duffinian number.

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, 44272 + ... + 46258.

It is an arithmetic number, because the mean of its divisors is an integer number (7371504).

Almost surely, 289941555 is an apocalyptic number.

89941555 is a deficient number, since it is larger than the sum of its proper divisors (28002509).

89941555 is a wasteful number, since it uses less digits than its factorization.

89941555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its digits is 324000, while the sum is 46.

The square root of 89941555 is about 9483.7521582968. The cubic root of 89941555 is about 448.0434478350.

The spelling of 89941555 in words is "eighty-nine million, nine hundred forty-one thousand, five hundred fifty-five".

Divisors: 1 5 11 55 823 1987 4115 9053 9935 21857 45265 109285 1635301 8176505 17988311 89941555