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11958385 = 514331669
BaseRepresentation
bin101101100111…
…100001110001
3211111112211011
4231213201301
511030132020
61104150521
7203434045
oct55474161
924445734
1011958385
11682856a
124008441
13262908a
141834025
1510b335a
hexb67871

11958385 has 8 divisors (see below), whose sum is σ = 14368680. Its totient is φ = 9554304.

The previous prime is 11958383. The next prime is 11958407. The reversal of 11958385 is 58385911.

It can be written as a sum of positive squares in 4 ways, for example, as 2934369 + 9024016 = 1713^2 + 3004^2 .

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 11958385 - 21 = 11958383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11958383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (1796085).

Almost surely, 211958385 is an apocalyptic number.

It is an amenable number.

11958385 is a deficient number, since it is larger than the sum of its proper divisors (2410295).

11958385 is a wasteful number, since it uses less digits than its factorization.

11958385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107.

The product of its digits is 43200, while the sum is 40.

The square root of 11958385 is about 3458.0897906214. The cubic root of 11958385 is about 228.6778904167.

The spelling of 11958385 in words is "eleven million, nine hundred fifty-eight thousand, three hundred eighty-five".

Divisors: 1 5 1433 1669 7165 8345 2391677 11958385