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379426805 = 575885361
BaseRepresentation
bin10110100111011…
…001011111110101
3222102221212201122
4112213121133311
51234113124210
6101352233325
712255034412
oct2647313765
9872855648
10379426805
111851a3a7a
12a709b845
13607ba304
143856b109
152349cb55
hex169d97f5

379426805 has 4 divisors (see below), whose sum is σ = 455312172. Its totient is φ = 303541440.

The previous prime is 379426799. The next prime is 379426811. The reversal of 379426805 is 508624973.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (379426799) and next prime (379426811).

It can be written as a sum of positive squares in 2 ways, for example, as 116143729 + 263283076 = 10777^2 + 16226^2 .

It is not a de Polignac number, because 379426805 - 28 = 379426549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37942676 + ... + 37942685.

It is an arithmetic number, because the mean of its divisors is an integer number (113828043).

Almost surely, 2379426805 is an apocalyptic number.

It is an amenable number.

379426805 is a deficient number, since it is larger than the sum of its proper divisors (75885367).

379426805 is an equidigital number, since it uses as much as digits as its factorization.

379426805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75885366.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 379426805 is about 19478.8809996878. The cubic root of 379426805 is about 723.9512732639.

The spelling of 379426805 in words is "three hundred seventy-nine million, four hundred twenty-six thousand, eight hundred five".

Divisors: 1 5 75885361 379426805