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10120047 = 37547881
BaseRepresentation
bin100110100110…
…101101101111
3201001011002120
4212212231233
510042320142
61000524023
7152006340
oct46465557
921034076
1010120047
115792383
123480613
1321343c2
1414b60c7
15d4d7ec
hex9a6b6f

10120047 has 16 divisors (see below), whose sum is σ = 15466752. Its totient is φ = 5765760.

The previous prime is 10120039. The next prime is 10120057. The reversal of 10120047 is 74002101.

It is not a de Polignac number, because 10120047 - 23 = 10120039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120057) 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, 11047 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (966672).

Almost surely, 210120047 is an apocalyptic number.

10120047 is a deficient number, since it is larger than the sum of its proper divisors (5346705).

10120047 is an equidigital number, since it uses as much as digits as its factorization.

10120047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 10120047 is about 3181.2021312705. The cubic root of 10120047 is about 216.3021534362.

Adding to 10120047 its reverse (74002101), we get a palindrome (84122148).

The spelling of 10120047 in words is "ten million, one hundred twenty thousand, forty-seven".

Divisors: 1 3 7 21 547 881 1641 2643 3829 6167 11487 18501 481907 1445721 3373349 10120047