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9231061 = 72188389
BaseRepresentation
bin100011001101…
…101011010101
3122100222122011
4203031223111
54330343221
6525504221
7141314500
oct43155325
918328564
109231061
115235484
123112071
131bb2888
141324137
15c251e1
hex8cdad5

9231061 has 6 divisors (see below), whose sum is σ = 10738230. Its totient is φ = 7912296.

The previous prime is 9231049. The next prime is 9231067. The reversal of 9231061 is 1601329.

It can be written as a sum of positive squares in only one way, i.e., 9186961 + 44100 = 3031^2 + 210^2 .

It is not a de Polignac number, because 9231061 - 25 = 9231029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9231067) 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 5 ways as a sum of consecutive naturals, for example, 94146 + ... + 94243.

It is an arithmetic number, because the mean of its divisors is an integer number (1789705).

Almost surely, 29231061 is an apocalyptic number.

It is an amenable number.

9231061 is a deficient number, since it is larger than the sum of its proper divisors (1507169).

9231061 is a wasteful number, since it uses less digits than its factorization.

9231061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188403 (or 188396 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9231061 is about 3038.2661173768. The cubic root of 9231061 is about 209.7734594076.

The spelling of 9231061 in words is "nine million, two hundred thirty-one thousand, sixty-one".

Divisors: 1 7 49 188389 1318723 9231061