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10380562 = 25190281
BaseRepresentation
bin100111100110…
…010100010010
3201112101110021
4213212110102
510124134222
61010254054
7154143013
oct47462422
921471407
1010380562
115950085
12358732a
1321c5b5a
14154300a
15da0ac7
hex9e6512

10380562 has 4 divisors (see below), whose sum is σ = 15570846. Its totient is φ = 5190280.

The previous prime is 10380551. The next prime is 10380563. The reversal of 10380562 is 26508301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26508301 = 122921569.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 826281 = 3091^2 + 909^2 .

It is not an unprimeable number, because it can be changed into a prime (10380563) 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 as a sum of consecutive naturals, namely, 2595139 + ... + 2595142.

Almost surely, 210380562 is an apocalyptic number.

10380562 is a deficient number, since it is larger than the sum of its proper divisors (5190284).

10380562 is an equidigital number, since it uses as much as digits as its factorization.

10380562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190283.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10380562 is about 3221.8879558420. The cubic root of 10380562 is about 218.1425014487.

Adding to 10380562 its reverse (26508301), we get a palindrome (36888863).

The spelling of 10380562 in words is "ten million, three hundred eighty thousand, five hundred sixty-two".

Divisors: 1 2 5190281 10380562