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89805963 = 3132302717
BaseRepresentation
bin1010101101001…
…01010010001011
320020222121121210
411112211102023
5140442242323
612524504203
72140223652
oct526452213
9206877553
1089805963
1146769605
12260ab063
13157b4830
14bcda199
157d3e293
hex55a548b

89805963 has 8 divisors (see below), whose sum is σ = 128952208. Its totient is φ = 55265184.

The previous prime is 89805943. The next prime is 89805971. The reversal of 89805963 is 36950898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89805963 - 25 = 89805931 is a prime.

It is a super-2 number, since 2×898059632 = 16130221980714738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89805943) 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 7 ways as a sum of consecutive naturals, for example, 1151320 + ... + 1151397.

It is an arithmetic number, because the mean of its divisors is an integer number (16119026).

Almost surely, 289805963 is an apocalyptic number.

89805963 is a deficient number, since it is larger than the sum of its proper divisors (39146245).

89805963 is a wasteful number, since it uses less digits than its factorization.

89805963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302733.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 89805963 is about 9476.6008146381. The cubic root of 89805963 is about 447.8181842871.

The spelling of 89805963 in words is "eighty-nine million, eight hundred five thousand, nine hundred sixty-three".

Divisors: 1 3 13 39 2302717 6908151 29935321 89805963