Search a number
-
+
384917434 = 211171029191
BaseRepresentation
bin10110111100010…
…101111110111010
3222211021211110021
4112330111332322
51242014324214
6102110041054
712352513156
oct2674257672
9884254407
10384917434
11188304190
12a8aa918a
13619904c5
143919a066
1523bd4924
hex16f15fba

384917434 has 16 divisors (see below), whose sum is σ = 666916416. Its totient is φ = 164670400.

The previous prime is 384917419. The next prime is 384917441. The reversal of 384917434 is 434719483.

It is a super-2 number, since 2×3849174342 = 296322861994288712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514222 + ... + 514969.

It is an arithmetic number, because the mean of its divisors is an integer number (41682276).

Almost surely, 2384917434 is an apocalyptic number.

384917434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

384917434 is a deficient number, since it is larger than the sum of its proper divisors (281998982).

384917434 is a wasteful number, since it uses less digits than its factorization.

384917434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029221.

The product of its digits is 290304, while the sum is 43.

The square root of 384917434 is about 19619.3127810329. The cubic root of 384917434 is about 727.4266268313.

The spelling of 384917434 in words is "three hundred eighty-four million, nine hundred seventeen thousand, four hundred thirty-four".

Divisors: 1 2 11 17 22 34 187 374 1029191 2058382 11321101 17496247 22642202 34992494 192458717 384917434