Search a number
-
+
376808813 = 3112155123
BaseRepresentation
bin10110011101011…
…010010101101101
3222021000212111222
4112131122111231
51232430340223
6101220153125
712223551653
oct2635322555
9867025458
10376808813
11183776047
12a62387a5
13600b17c4
1438088dd3
15231320c8
hex1675a56d

376808813 has 4 divisors (see below), whose sum is σ = 388963968. Its totient is φ = 364653660.

The previous prime is 376808807. The next prime is 376808827. The reversal of 376808813 is 318808673.

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, and also an emirpimes, since its reverse is a distinct semiprime: 318808673 = 714490263.

It is a cyclic number.

It is not a de Polignac number, because 376808813 - 216 = 376743277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376808413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077531 + ... + 6077592.

It is an arithmetic number, because the mean of its divisors is an integer number (97240992).

Almost surely, 2376808813 is an apocalyptic number.

It is an amenable number.

376808813 is a deficient number, since it is larger than the sum of its proper divisors (12155155).

376808813 is a wasteful number, since it uses less digits than its factorization.

376808813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155154.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 376808813 is about 19411.5638988722. The cubic root of 376808813 is about 722.2823747199.

The spelling of 376808813 in words is "three hundred seventy-six million, eight hundred eight thousand, eight hundred thirteen".

Divisors: 1 31 12155123 376808813