Search a number
-
+
381292898 = 27171602071
BaseRepresentation
bin10110101110100…
…001000101100010
3222120110200112012
4112232201011202
51240102333043
6101500232522
712306636050
oct2656410542
9876420465
10381292898
11186258aa8
12a783b742
1360cc17cc
14388d51d0
152371aa18
hex16ba1162

381292898 has 16 divisors (see below), whose sum is σ = 692095104. Its totient is φ = 153798720.

The previous prime is 381292867. The next prime is 381292903. The reversal of 381292898 is 898292183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800798 + ... + 801273.

It is an arithmetic number, because the mean of its divisors is an integer number (43255944).

Almost surely, 2381292898 is an apocalyptic number.

381292898 is a deficient number, since it is larger than the sum of its proper divisors (310802206).

381292898 is a wasteful number, since it uses less digits than its factorization.

381292898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602097.

The product of its digits is 497664, while the sum is 50.

The square root of 381292898 is about 19526.7226640827. The cubic root of 381292898 is about 725.1361760853.

The spelling of 381292898 in words is "three hundred eighty-one million, two hundred ninety-two thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 17 34 119 238 1602071 3204142 11214497 22428994 27235207 54470414 190646449 381292898