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376813 = 1093457
BaseRepresentation
bin1011011111111101101
3201010220001
41123333231
544024223
612024301
73126403
oct1337755
9633801
10376813
11238118
12162091
13102688
149b473
15769ad
hex5bfed

376813 has 4 divisors (see below), whose sum is σ = 380380. Its totient is φ = 373248.

The previous prime is 376811. The next prime is 376819. The reversal of 376813 is 318673.

376813 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318673 = 437411.

It can be written as a sum of positive squares in 2 ways, for example, as 104329 + 272484 = 323^2 + 522^2 .

It is a 5-Lehmer number, since φ(376813) divides (376813-1)5.

It is a cyclic number.

It is not a de Polignac number, because 376813 - 21 = 376811 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 (376811) 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, 1620 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (95095).

2376813 is an apocalyptic number.

It is an amenable number.

376813 is a deficient number, since it is larger than the sum of its proper divisors (3567).

376813 is a wasteful number, since it uses less digits than its factorization.

376813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its digits is 3024, while the sum is 28.

The square root of 376813 is about 613.8509591098. The cubic root of 376813 is about 72.2285049980.

It can be divided in two parts, 3768 and 13, that multiplied together give a palindrome (48984).

The spelling of 376813 in words is "three hundred seventy-six thousand, eight hundred thirteen".

Divisors: 1 109 3457 376813