Search a number
-
+
381148034 = 2190574017
BaseRepresentation
bin10110101101111…
…101101110000010
3222120012022210212
4112231331232002
51240033214114
6101453154122
712305463521
oct2655755602
9876168725
10381148034
1118616a183
12a778b942
1360c708a7
14388984b8
15236dcb3e
hex16b7db82

381148034 has 4 divisors (see below), whose sum is σ = 571722054. Its totient is φ = 190574016.

The previous prime is 381148021. The next prime is 381148049. The reversal of 381148034 is 430841183.

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

It can be written as a sum of positive squares in only one way, i.e., 250114225 + 131033809 = 15815^2 + 11447^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 95287007 + ... + 95287010.

Almost surely, 2381148034 is an apocalyptic number.

381148034 is a deficient number, since it is larger than the sum of its proper divisors (190574020).

381148034 is a wasteful number, since it uses less digits than its factorization.

381148034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190574019.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 381148034 is about 19523.0129334588. The cubic root of 381148034 is about 725.0443311775.

The spelling of 381148034 in words is "three hundred eighty-one million, one hundred forty-eight thousand, thirty-four".

Divisors: 1 2 190574017 381148034