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378575377 = 2316459799
BaseRepresentation
bin10110100100001…
…001101000010001
3222101100121210021
4112210021220101
51233403403002
6101322103441
712244560205
oct2644115021
9871317707
10378575377
11184772314
12a694ab81
136057c8cb
14383c8b05
1523380737
hex16909a11

378575377 has 4 divisors (see below), whose sum is σ = 395035200. Its totient is φ = 362115556.

The previous prime is 378575369. The next prime is 378575387. The reversal of 378575377 is 773575873.

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 378575377 - 23 = 378575369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378575387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8229877 + ... + 8229922.

It is an arithmetic number, because the mean of its divisors is an integer number (98758800).

Almost surely, 2378575377 is an apocalyptic number.

It is an amenable number.

378575377 is a deficient number, since it is larger than the sum of its proper divisors (16459823).

378575377 is a wasteful number, since it uses less digits than its factorization.

378575377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459822.

The product of its digits is 4321800, while the sum is 52.

The square root of 378575377 is about 19457.0135683768. The cubic root of 378575377 is about 723.4093558149.

It can be divided in two parts, 37857 and 5377, that added together give a palindrome (43234).

The spelling of 378575377 in words is "three hundred seventy-eight million, five hundred seventy-five thousand, three hundred seventy-seven".

Divisors: 1 23 16459799 378575377