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10057321 = 10992269
BaseRepresentation
bin100110010111…
…011001101001
3200220222001101
4212113121221
510033313241
6555321401
7151325431
oct46273151
920828041
1010057321
11574a23a
123450261
1321119a1
14149b2c1
15d39e31
hex997669

10057321 has 4 divisors (see below), whose sum is σ = 10149700. Its totient is φ = 9964944.

The previous prime is 10057309. The next prime is 10057337. The reversal of 10057321 is 12375001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12375001 = 31139791.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 6817321 = 1800^2 + 2611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10057321 is a prime.

It is a super-2 number, since 2×100573212 = 202299411394082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10057301) 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, 46026 + ... + 46243.

It is an arithmetic number, because the mean of its divisors is an integer number (2537425).

Almost surely, 210057321 is an apocalyptic number.

It is an amenable number.

10057321 is a deficient number, since it is larger than the sum of its proper divisors (92379).

10057321 is an equidigital number, since it uses as much as digits as its factorization.

10057321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92378.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 10057321 is about 3171.3279552894. The cubic root of 10057321 is about 215.8543327991.

The spelling of 10057321 in words is "ten million, fifty-seven thousand, three hundred twenty-one".

Divisors: 1 109 92269 10057321