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10514381 = 172326891
BaseRepresentation
bin101000000110…
…111111001101
3201210012000112
4220012333031
510142430011
61013205405
7155241113
oct50067715
921705015
1010514381
115a31679
123630865
132241a37
141579ab3
15dca58b
hexa06fcd

10514381 has 8 divisors (see below), whose sum is σ = 11617344. Its totient is φ = 9465280.

The previous prime is 10514333. The next prime is 10514389. The reversal of 10514381 is 18341501.

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 10514381 - 218 = 10252237 is a prime.

It is a super-2 number, since 2×105143812 = 221104415626322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10514389) 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, 13055 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (1452168).

Almost surely, 210514381 is an apocalyptic number.

It is an amenable number.

10514381 is a deficient number, since it is larger than the sum of its proper divisors (1102963).

10514381 is a wasteful number, since it uses less digits than its factorization.

10514381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26931.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10514381 is about 3242.5886263910. The cubic root of 10514381 is about 219.0758826022.

Adding to 10514381 its reverse (18341501), we get a palindrome (28855882).

The spelling of 10514381 in words is "ten million, five hundred fourteen thousand, three hundred eighty-one".

Divisors: 1 17 23 391 26891 457147 618493 10514381