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89031027 = 343690163
BaseRepresentation
bin1010100111010…
…00000101110011
320012112020121110
411103220011303
5140242443102
612500124403
72130515451
oct523500563
9205466543
1089031027
114628a368
1225996703
13155a2ba7
14bb779d1
157c3986c
hex54e8173

89031027 has 8 divisors (see below), whose sum is σ = 121468864. Its totient is φ = 57973608.

The previous prime is 89031013. The next prime is 89031053. The reversal of 89031027 is 72013098.

It is a happy number.

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

It is not a de Polignac number, because 89031027 - 24 = 89031011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89030985 and 89031003.

It is not an unprimeable number, because it can be changed into a prime (89031077) 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, 344953 + ... + 345210.

It is an arithmetic number, because the mean of its divisors is an integer number (15183608).

Almost surely, 289031027 is an apocalyptic number.

89031027 is a deficient number, since it is larger than the sum of its proper divisors (32437837).

89031027 is a wasteful number, since it uses less digits than its factorization.

89031027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690209.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 89031027 is about 9435.6254164735. The cubic root of 89031027 is about 446.5263865440.

The spelling of 89031027 in words is "eighty-nine million, thirty-one thousand, twenty-seven".

Divisors: 1 3 43 129 690163 2070489 29677009 89031027