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9390427 = 1931107149
BaseRepresentation
bin100011110100…
…100101011011
3122200002020121
4203310211123
54400443202
6533134111
7142550224
oct43644533
918602217
109390427
115334192
12318a337
131c3a287
14136624b
15c57537
hex8f495b

9390427 has 16 divisors (see below), whose sum is σ = 10368000. Its totient is φ = 8471520.

The previous prime is 9390419. The next prime is 9390431. The reversal of 9390427 is 7240939.

It is a cyclic number.

It is not a de Polignac number, because 9390427 - 23 = 9390419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9390392 and 9390401.

It is not an unprimeable number, because it can be changed into a prime (9390457) 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 15 ways as a sum of consecutive naturals, for example, 62949 + ... + 63097.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 29390427 is an apocalyptic number.

9390427 is a deficient number, since it is larger than the sum of its proper divisors (977573).

9390427 is a wasteful number, since it uses less digits than its factorization.

9390427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 9390427 is about 3064.3803615087. The cubic root of 9390427 is about 210.9737619269.

The spelling of 9390427 in words is "nine million, three hundred ninety thousand, four hundred twenty-seven".

Divisors: 1 19 31 107 149 589 2033 2831 3317 4619 15943 63023 87761 302917 494233 9390427