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378893379 = 3126297793
BaseRepresentation
bin10110100101010…
…111010001000011
3222101221210000010
4112211113101003
51233444042004
6101333000003
712250353264
oct2645272103
9871853003
10378893379
1118496a227
12a6a83003
1360661587
143846c96b
15233e4a89
hex16957443

378893379 has 4 divisors (see below), whose sum is σ = 505191176. Its totient is φ = 252595584.

The previous prime is 378893371. The next prime is 378893419. The reversal of 378893379 is 973398873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973398873 = 3324466291.

It is not a de Polignac number, because 378893379 - 23 = 378893371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378893371) 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, 63148894 + ... + 63148899.

It is an arithmetic number, because the mean of its divisors is an integer number (126297794).

Almost surely, 2378893379 is an apocalyptic number.

378893379 is a deficient number, since it is larger than the sum of its proper divisors (126297797).

378893379 is a wasteful number, since it uses less digits than its factorization.

378893379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126297796.

The product of its digits is 6858432, while the sum is 57.

The square root of 378893379 is about 19465.1837648659. The cubic root of 378893379 is about 723.6118529075.

The spelling of 378893379 in words is "three hundred seventy-eight million, eight hundred ninety-three thousand, three hundred seventy-nine".

Divisors: 1 3 126297793 378893379