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10380499 = 82312613
BaseRepresentation
bin100111100110…
…010011010011
3201112101100221
4213212103103
510124133444
61010253511
7154142563
oct47462323
921471327
1010380499
115950028
123587297
1321c5b0c
141542da3
15da0a84
hex9e64d3

10380499 has 4 divisors (see below), whose sum is σ = 10393936. Its totient is φ = 10367064.

The previous prime is 10380497. The next prime is 10380509. The reversal of 10380499 is 99408301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99408301 = 401247901.

It is a cyclic number.

It is not a de Polignac number, because 10380499 - 21 = 10380497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10380493) 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, 5484 + ... + 7129.

It is an arithmetic number, because the mean of its divisors is an integer number (2598484).

Almost surely, 210380499 is an apocalyptic number.

10380499 is a deficient number, since it is larger than the sum of its proper divisors (13437).

10380499 is an equidigital number, since it uses as much as digits as its factorization.

10380499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10380499 is about 3221.8781789509. The cubic root of 10380499 is about 218.1420601430.

The spelling of 10380499 in words is "ten million, three hundred eighty thousand, four hundred ninety-nine".

Divisors: 1 823 12613 10380499