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9975049 = 71425007
BaseRepresentation
bin100110000011…
…010100001001
3200202210012021
4212003110021
510023200144
6553444441
7150533530
oct46032411
920683167
109975049
1156a3447
123410721
1320b33c6
141479317
15d20884
hex983509

9975049 has 4 divisors (see below), whose sum is σ = 11400064. Its totient is φ = 8550036.

The previous prime is 9975037. The next prime is 9975067. The reversal of 9975049 is 9405799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9975049 - 211 = 9973001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9974996 and 9975014.

It is not an unprimeable number, because it can be changed into a prime (9975029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712497 + ... + 712510.

It is an arithmetic number, because the mean of its divisors is an integer number (2850016).

Almost surely, 29975049 is an apocalyptic number.

It is an amenable number.

9975049 is a deficient number, since it is larger than the sum of its proper divisors (1425015).

9975049 is a wasteful number, since it uses less digits than its factorization.

9975049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425014.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 9975049 is about 3158.3300967442. The cubic root of 9975049 is about 215.2641354355.

It can be divided in two parts, 99750 and 49, that added together give a palindrome (99799).

The spelling of 9975049 in words is "nine million, nine hundred seventy-five thousand, forty-nine".

Divisors: 1 7 1425007 9975049