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10309047 = 372811747
BaseRepresentation
bin100111010100…
…110110110111
3201101202100120
4213110312313
510114342142
61004543023
7153424350
oct47246667
921352316
1010309047
115901381
123551a73
13219c438
141524d27
15d897ec
hex9d4db7

10309047 has 16 divisors (see below), whose sum is σ = 15773952. Its totient is φ = 5866560.

The previous prime is 10309043. The next prime is 10309069. The reversal of 10309047 is 74090301.

It is not a de Polignac number, because 10309047 - 22 = 10309043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10309043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5028 + ... + 6774.

It is an arithmetic number, because the mean of its divisors is an integer number (985872).

Almost surely, 210309047 is an apocalyptic number.

10309047 is a deficient number, since it is larger than the sum of its proper divisors (5464905).

10309047 is a wasteful number, since it uses less digits than its factorization.

10309047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 10309047 is about 3210.7704682833. The cubic root of 10309047 is about 217.6403955493.

Adding to 10309047 its reverse (74090301), we get a palindrome (84399348).

The spelling of 10309047 in words is "ten million, three hundred nine thousand, forty-seven".

Divisors: 1 3 7 21 281 843 1747 1967 5241 5901 12229 36687 490907 1472721 3436349 10309047