Search a number
-
+
387338242 = 2317198689
BaseRepresentation
bin10111000101100…
…101000000000010
3222222211211011211
4113011211000002
51243124310432
6102234000334
712412215004
oct2705450002
9888754154
10387338242
11189707a55
12a98760aa
136232a335
143962a374
1524011d47
hex17165002

387338242 has 16 divisors (see below), whose sum is σ = 600652800. Its totient is φ = 187139520.

The previous prime is 387338213. The next prime is 387338243. The reversal of 387338242 is 242833783.

It is a junction number, because it is equal to n+sod(n) for n = 387338195 and 387338204.

It is not an unprimeable number, because it can be changed into a prime (387338243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40234 + ... + 48922.

It is an arithmetic number, because the mean of its divisors is an integer number (37540800).

Almost surely, 2387338242 is an apocalyptic number.

387338242 is a deficient number, since it is larger than the sum of its proper divisors (213314558).

387338242 is a wasteful number, since it uses less digits than its factorization.

387338242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441.

The product of its digits is 193536, while the sum is 40.

The square root of 387338242 is about 19680.9105988519. The cubic root of 387338242 is about 728.9484089354.

The spelling of 387338242 in words is "three hundred eighty-seven million, three hundred thirty-eight thousand, two hundred forty-two".

Divisors: 1 2 31 62 719 1438 8689 17378 22289 44578 269359 538718 6247391 12494782 193669121 387338242