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10230031 = 73147143
BaseRepresentation
bin100111000001…
…100100001111
3201020201222001
4213001210033
510104330111
61003133131
7152645110
oct47014417
921221861
1010230031
115857a79
1235141a7
132172496
141504207
15d711c1
hex9c190f

10230031 has 8 divisors (see below), whose sum is σ = 12068864. Its totient is φ = 8485560.

The previous prime is 10230023. The next prime is 10230041. The reversal of 10230031 is 13003201.

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 10230031 - 23 = 10230023 is a prime.

It is a super-2 number, since 2×102300312 = 209307068521922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230041) 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 7 ways as a sum of consecutive naturals, for example, 23355 + ... + 23788.

It is an arithmetic number, because the mean of its divisors is an integer number (1508608).

Almost surely, 210230031 is an apocalyptic number.

10230031 is a deficient number, since it is larger than the sum of its proper divisors (1838833).

10230031 is an equidigital number, since it uses as much as digits as its factorization.

10230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47181.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10230031 is about 3198.4419644571. The cubic root of 10230031 is about 217.0829176212.

Adding to 10230031 its reverse (13003201), we get a palindrome (23233232).

The spelling of 10230031 in words is "ten million, two hundred thirty thousand, thirty-one".

Divisors: 1 7 31 217 47143 330001 1461433 10230031