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10065381 = 33355127
BaseRepresentation
bin100110011001…
…010111100101
3200221101002220
4212121113211
510034043011
6555422553
7151361064
oct46312745
920841086
1010065381
1157552a7
123454a59
132115561
1414a01db
15d3c506
hex9995e5

10065381 has 4 divisors (see below), whose sum is σ = 13420512. Its totient is φ = 6710252.

The previous prime is 10065373. The next prime is 10065401. The reversal of 10065381 is 18356001.

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 10065381 - 23 = 10065373 is a prime.

It is a super-2 number, since 2×100653812 = 202623789350322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10065301) 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 3 ways as a sum of consecutive naturals, for example, 1677561 + ... + 1677566.

It is an arithmetic number, because the mean of its divisors is an integer number (3355128).

Almost surely, 210065381 is an apocalyptic number.

It is an amenable number.

10065381 is a deficient number, since it is larger than the sum of its proper divisors (3355131).

10065381 is an equidigital number, since it uses as much as digits as its factorization.

10065381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355130.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10065381 is about 3172.5984618290. The cubic root of 10065381 is about 215.9119797401.

The spelling of 10065381 in words is "ten million, sixty-five thousand, three hundred eighty-one".

Divisors: 1 3 3355127 10065381