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10249999 = 371391993
BaseRepresentation
bin100111000110…
…011100001111
3201021202100121
4213012130033
510110444444
61003405411
7153060244
oct47063417
921252317
1010249999
115870a81
123523867
13217b5b6
14150b5cb
15d77084
hex9c670f

10249999 has 8 divisors (see below), whose sum is σ = 10608080. Its totient is φ = 9896256.

The previous prime is 10249979. The next prime is 10250017. The reversal of 10249999 is 99994201.

10249999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10249999 - 213 = 10241807 is a prime.

It is a Duffinian number.

10249999 is a modest number, since divided by 9999 gives 1024 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10249979) 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, 4147 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (1326010).

Almost surely, 210249999 is an apocalyptic number.

10249999 is a deficient number, since it is larger than the sum of its proper divisors (358081).

10249999 is a wasteful number, since it uses less digits than its factorization.

10249999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 10249999 is about 3201.5619625427. The cubic root of 10249999 is about 217.2240672242.

The spelling of 10249999 in words is "ten million, two hundred forty-nine thousand, nine hundred ninety-nine".

Divisors: 1 37 139 1993 5143 73741 277027 10249999