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89441481 = 3291028063
BaseRepresentation
bin1010101010011…
…00010011001001
320020022002122110
411111030103021
5140344111411
612513012533
72134145223
oct525142311
9206262573
1089441481
114653a788
1225b54149
13156b796c
14bc43413
157cbb2a6
hex554c4c9

89441481 has 8 divisors (see below), whose sum is σ = 123367680. Its totient is φ = 57571472.

The previous prime is 89441461. The next prime is 89441483. The reversal of 89441481 is 18414498.

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 89441481 - 217 = 89310409 is a prime.

It is a super-2 number, since 2×894414812 = 15999557046946722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89441483) 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, 513945 + ... + 514118.

It is an arithmetic number, because the mean of its divisors is an integer number (15420960).

Almost surely, 289441481 is an apocalyptic number.

It is an amenable number.

89441481 is a deficient number, since it is larger than the sum of its proper divisors (33926199).

89441481 is a wasteful number, since it uses less digits than its factorization.

89441481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028095.

The product of its digits is 36864, while the sum is 39.

The square root of 89441481 is about 9457.3506332376. The cubic root of 89441481 is about 447.2115319905.

The spelling of 89441481 in words is "eighty-nine million, four hundred forty-one thousand, four hundred eighty-one".

Divisors: 1 3 29 87 1028063 3084189 29813827 89441481