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10380613 = 23451331
BaseRepresentation
bin100111100110…
…010101000101
3201112101112011
4213212111011
510124134423
61010254221
7154143115
oct47462505
921471464
1010380613
115950121
123587371
1321c5b99
141543045
15da0b0d
hex9e6545

10380613 has 4 divisors (see below), whose sum is σ = 10831968. Its totient is φ = 9929260.

The previous prime is 10380589. The next prime is 10380619. The reversal of 10380613 is 31608301.

10380613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10380613 - 213 = 10372421 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10380619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225643 + ... + 225688.

It is an arithmetic number, because the mean of its divisors is an integer number (2707992).

Almost surely, 210380613 is an apocalyptic number.

It is an amenable number.

10380613 is a deficient number, since it is larger than the sum of its proper divisors (451355).

10380613 is an equidigital number, since it uses as much as digits as its factorization.

10380613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451354.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10380613 is about 3221.8958704465. The cubic root of 10380613 is about 218.1428586949.

Adding to 10380613 its reverse (31608301), we get a palindrome (41988914).

The spelling of 10380613 in words is "ten million, three hundred eighty thousand, six hundred thirteen".

Divisors: 1 23 451331 10380613