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9681049 = 711312239
BaseRepresentation
bin100100111011…
…100010011001
3200012211220101
4210323202121
54434243144
6543255401
7145200430
oct44734231
920184811
109681049
115512574
1232aa561
13200c641
141400117
15cb36d4
hex93b899

9681049 has 8 divisors (see below), whose sum is σ = 11162880. Its totient is φ = 8223936.

The previous prime is 9681029. The next prime is 9681071. The reversal of 9681049 is 9401869.

9681049 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 9681049 - 25 = 9681017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9680999 and 9681017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681019) 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, 5329 + ... + 6910.

It is an arithmetic number, because the mean of its divisors is an integer number (1395360).

Almost surely, 29681049 is an apocalyptic number.

It is an amenable number.

9681049 is a deficient number, since it is larger than the sum of its proper divisors (1481831).

9681049 is a wasteful number, since it uses less digits than its factorization.

9681049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12359.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9681049 is about 3111.4384133388. The cubic root of 9681049 is about 213.1281455377.

The spelling of 9681049 in words is "nine million, six hundred eighty-one thousand, forty-nine".

Divisors: 1 7 113 791 12239 85673 1383007 9681049