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9975245 = 57285007
BaseRepresentation
bin100110000011…
…010111001101
3200202210110112
4212003113031
510023201440
6553445405
7150534230
oct46032715
920683415
109975245
1156a3605
123410865
1320b3517
141479417
15d20965
hex9835cd

9975245 has 8 divisors (see below), whose sum is σ = 13680384. Its totient is φ = 6840144.

The previous prime is 9975223. The next prime is 9975253. The reversal of 9975245 is 5425799.

9975245 is digitally balanced in base 2, base 3 and base 8, 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 a cyclic number.

It is not a de Polignac number, because 9975245 - 26 = 9975181 is a prime.

It is a d-powerful number, because it can be written as 94 + 96 + 72 + 5 + 223 + 410 + 5 .

It is a Duffinian number.

9975245 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142469 + ... + 142538.

It is an arithmetic number, because the mean of its divisors is an integer number (1710048).

Almost surely, 29975245 is an apocalyptic number.

It is an amenable number.

9975245 is a deficient number, since it is larger than the sum of its proper divisors (3705139).

9975245 is a wasteful number, since it uses less digits than its factorization.

9975245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285019.

The product of its digits is 113400, while the sum is 41.

The square root of 9975245 is about 3158.3611256473. The cubic root of 9975245 is about 215.2655453365.

The spelling of 9975245 in words is "nine million, nine hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 5 7 35 285007 1425035 1995049 9975245