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10030431 = 317871871
BaseRepresentation
bin100110010000…
…110101011111
3200212121011110
4212100311133
510031433211
6554553103
7151154145
oct46206537
920777143
1010030431
115731014
123438793
132102688
141491595
15d31ea6
hex990d5f

10030431 has 8 divisors (see below), whose sum is σ = 13388544. Its totient is φ = 6679640.

The previous prime is 10030421. The next prime is 10030439. The reversal of 10030431 is 13403001.

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

It is a cyclic number.

It is not a de Polignac number, because 10030431 - 210 = 10029407 is a prime.

It is a super-2 number, since 2×100304312 = 201219092091522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030439) 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, 4426 + ... + 6296.

It is an arithmetic number, because the mean of its divisors is an integer number (1673568).

Almost surely, 210030431 is an apocalyptic number.

10030431 is a deficient number, since it is larger than the sum of its proper divisors (3358113).

10030431 is a wasteful number, since it uses less digits than its factorization.

10030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10030431 is about 3167.0855687840. The cubic root of 10030431 is about 215.6617863724.

Adding to 10030431 its reverse (13403001), we get a palindrome (23433432).

The spelling of 10030431 in words is "ten million, thirty thousand, four hundred thirty-one".

Divisors: 1 3 1787 1871 5361 5613 3343477 10030431