Search a number
-
+
230073415 = 511131512131
BaseRepresentation
bin11011011011010…
…10010001000111
3121000220221101121
431231222101013
5432344322130
634455134411
75462406655
oct1555522107
9530827347
10230073415
11108963620
1265074407
1338886820
14227addd5
15152e9d7a
hexdb6a447

230073415 has 32 divisors (see below), whose sum is σ = 326656512. Its totient is φ = 153360000.

The previous prime is 230073409. The next prime is 230073479. The reversal of 230073415 is 514370032.

It is not a de Polignac number, because 230073415 - 29 = 230072903 is a prime.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 230073415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106900 + ... + 109030.

It is an arithmetic number, because the mean of its divisors is an integer number (10208016).

Almost surely, 2230073415 is an apocalyptic number.

230073415 is a deficient number, since it is larger than the sum of its proper divisors (96583097).

230073415 is a wasteful number, since it uses less digits than its factorization.

230073415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 230073415 is about 15168.1711158597. The cubic root of 230073415 is about 612.7577501892.

The spelling of 230073415 in words is "two hundred thirty million, seventy-three thousand, four hundred fifteen".

Divisors: 1 5 11 13 55 65 143 151 715 755 1661 1963 2131 8305 9815 10655 21593 23441 27703 107965 117205 138515 304733 321781 1523665 1608905 3539591 4183153 17697955 20915765 46014683 230073415