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9140490 = 2325101561
BaseRepresentation
bin100010110111…
…100100001010
3122012101101200
4202313210022
54314443430
6523525030
7140456442
oct42674412
918171350
109140490
115183427
123089776
131b80598
1412dd122
15c08460
hex8b790a

9140490 has 24 divisors (see below), whose sum is σ = 23765508. Its totient is φ = 2437440.

The previous prime is 9140489. The next prime is 9140491. The reversal of 9140490 is 940419.

It is an interprime number because it is at equal distance from previous prime (9140489) and next prime (9140491).

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 1238769 = 2811^2 + 1113^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9140491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50691 + ... + 50870.

Almost surely, 29140490 is an apocalyptic number.

9140490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9140490 is an abundant number, since it is smaller than the sum of its proper divisors (14625018).

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

9140490 is a wasteful number, since it uses less digits than its factorization.

9140490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101574 (or 101571 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9140490 is about 3023.3243292773. The cubic root of 9140490 is about 209.0851358319.

The spelling of 9140490 in words is "nine million, one hundred forty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101561 203122 304683 507805 609366 914049 1015610 1523415 1828098 3046830 4570245 9140490