Search a number
-
+
387091070 = 2542739059
BaseRepresentation
bin10111000100101…
…000101001111110
3222222101021010022
4113010220221332
51243043403240
6102224412142
712410135252
oct2704505176
9888337108
10387091070
11189559283
12a9777052
1362271992
14395a4262
1523eb39b5
hex17128a7e

387091070 has 16 divisors (see below), whose sum is σ = 697003920. Its totient is φ = 154783104.

The previous prime is 387091063. The next prime is 387091091. The reversal of 387091070 is 70190783.

It is a self number, because there is not a number n which added to its sum of digits gives 387091070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38201 + ... + 47259.

It is an arithmetic number, because the mean of its divisors is an integer number (43562745).

Almost surely, 2387091070 is an apocalyptic number.

387091070 is a deficient number, since it is larger than the sum of its proper divisors (309912850).

387091070 is a wasteful number, since it uses less digits than its factorization.

387091070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 387091070 is about 19674.6301108814. The cubic root of 387091070 is about 728.7933214216.

The spelling of 387091070 in words is "three hundred eighty-seven million, ninety-one thousand, seventy".

Divisors: 1 2 5 10 4273 8546 9059 18118 21365 42730 45295 90590 38709107 77418214 193545535 387091070