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10045531 = 43233617
BaseRepresentation
bin100110010100…
…100001011011
3200220100212201
4212110201123
510032424111
6555151031
7151246156
oct46244133
920810781
1010045531
1157413a1
123445477
132109502
141496c9d
15d366c1
hex99485b

10045531 has 4 divisors (see below), whose sum is σ = 10279192. Its totient is φ = 9811872.

The previous prime is 10045523. The next prime is 10045559. The reversal of 10045531 is 13554001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13554001 = 47288383.

It is a cyclic number.

It is not a de Polignac number, because 10045531 - 23 = 10045523 is a prime.

It is a super-2 number, since 2×100455312 = 201825386143922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10045499 and 10045508.

It is not an unprimeable number, because it can be changed into a prime (10045501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116766 + ... + 116851.

It is an arithmetic number, because the mean of its divisors is an integer number (2569798).

Almost surely, 210045531 is an apocalyptic number.

10045531 is a deficient number, since it is larger than the sum of its proper divisors (233661).

10045531 is an equidigital number, since it uses as much as digits as its factorization.

10045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233660.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10045531 is about 3169.4685674416. The cubic root of 10045531 is about 215.7699525522.

Adding to 10045531 its reverse (13554001), we get a palindrome (23599532).

The spelling of 10045531 in words is "ten million, forty-five thousand, five hundred thirty-one".

Divisors: 1 43 233617 10045531