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9230140 = 225461507
BaseRepresentation
bin100011001101…
…011100111100
3122100221101001
4203031130330
54330331030
6525500044
7141312013
oct43153474
918327331
109230140
115234817
123111624
131bb232a
141323a7a
15c24cca
hex8cd73c

9230140 has 12 divisors (see below), whose sum is σ = 19383336. Its totient is φ = 3692048.

The previous prime is 9230119. The next prime is 9230161. The reversal of 9230140 is 410329.

It is an interprime number because it is at equal distance from previous prime (9230119) and next prime (9230161).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 230734 + ... + 230773.

It is an arithmetic number, because the mean of its divisors is an integer number (1615278).

Almost surely, 29230140 is an apocalyptic number.

It is an amenable number.

9230140 is an abundant number, since it is smaller than the sum of its proper divisors (10153196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9230140 is a wasteful number, since it uses less digits than its factorization.

9230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461516 (or 461514 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 9230140 is about 3038.1145468859. The cubic root of 9230140 is about 209.7664826804.

Adding to 9230140 its reverse (410329), we get a palindrome (9640469).

The spelling of 9230140 in words is "nine million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 461507 923014 1846028 2307535 4615070 9230140