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10240013 = 73147189
BaseRepresentation
bin100111000100…
…000000001101
3201021020122202
4213010000031
510110140023
61003251245
7153016160
oct47040015
921236582
1010240013
115864523
123519b25
132176ba4
141507ad7
15d74128
hex9c400d

10240013 has 8 divisors (see below), whose sum is σ = 12080640. Its totient is φ = 8493840.

The previous prime is 10239989. The next prime is 10240033. The reversal of 10240013 is 31004201.

It is a happy number.

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 10240013 - 26 = 10239949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10239976 and 10240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23378 + ... + 23811.

It is an arithmetic number, because the mean of its divisors is an integer number (1510080).

Almost surely, 210240013 is an apocalyptic number.

It is an amenable number.

10240013 is a deficient number, since it is larger than the sum of its proper divisors (1840627).

10240013 is an equidigital number, since it uses as much as digits as its factorization.

10240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47227.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10240013 is about 3200.0020312494. The cubic root of 10240013 is about 217.1535012219.

Adding to 10240013 its reverse (31004201), we get a palindrome (41244214).

The spelling of 10240013 in words is "ten million, two hundred forty thousand, thirteen".

Divisors: 1 7 31 217 47189 330323 1462859 10240013