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10249645 = 571915413
BaseRepresentation
bin100111000110…
…010110101101
3201021201212111
4213012112231
510110442040
61003404021
7153056230
oct47062655
921251774
1010249645
11587078a
123523611
13217b3a3
14150b417
15d76dea
hex9c65ad

10249645 has 16 divisors (see below), whose sum is σ = 14797440. Its totient is φ = 6657984.

The previous prime is 10249643. The next prime is 10249663. The reversal of 10249645 is 54694201.

It is a cyclic number.

It is not a de Polignac number, because 10249645 - 21 = 10249643 is a prime.

It is a super-3 number, since 3×102496453 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10249643) 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 15 ways as a sum of consecutive naturals, for example, 7042 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (924840).

Almost surely, 210249645 is an apocalyptic number.

It is an amenable number.

10249645 is a deficient number, since it is larger than the sum of its proper divisors (4547795).

10249645 is a wasteful number, since it uses less digits than its factorization.

10249645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15444.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 10249645 is about 3201.5066765509. The cubic root of 10249645 is about 217.2215664694.

The spelling of 10249645 in words is "ten million, two hundred forty-nine thousand, six hundred forty-five".

Divisors: 1 5 7 19 35 95 133 665 15413 77065 107891 292847 539455 1464235 2049929 10249645