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146225317 = 7198710513
BaseRepresentation
bin10001011011100…
…11100010100101
3101012011000102111
420231303202211
5244413202232
622302041021
73423615610
oct1055634245
9335130374
10146225317
11755a4277
1240b79171
13243a9a74
14155c5177
15cc86047
hex8b738a5

146225317 has 8 divisors (see below), whose sum is σ = 167214656. Its totient is φ = 125260992.

The previous prime is 146225297. The next prime is 146225363. The reversal of 146225317 is 713522641.

146225317 is digitally balanced in base 2, because in such base 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 146225317 - 211 = 146223269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146225377) 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, 8653 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (20901832).

Almost surely, 2146225317 is an apocalyptic number.

It is an amenable number.

146225317 is a deficient number, since it is larger than the sum of its proper divisors (20989339).

146225317 is a wasteful number, since it uses less digits than its factorization.

146225317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507.

The product of its digits is 10080, while the sum is 31.

The square root of 146225317 is about 12092.3660629341. The cubic root of 146225317 is about 526.8344797626.

Adding to 146225317 its reverse (713522641), we get a palindrome (859747958).

The spelling of 146225317 in words is "one hundred forty-six million, two hundred twenty-five thousand, three hundred seventeen".

Divisors: 1 7 1987 10513 13909 73591 20889331 146225317