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230073630 = 23531247391
BaseRepresentation
bin11011011011010…
…10010100011110
3121000220221200120
431231222110132
5432344324010
634455135410
75462410413
oct1555522436
9530827616
10230073630
111089637a6
1265074566
1338886957
14227b010a
15152e9e70
hexdb6a51e

230073630 has 32 divisors (see below), whose sum is σ = 569991168. Its totient is φ = 59373600.

The previous prime is 230073619. The next prime is 230073637. The reversal of 230073630 is 36370032.

It is a self number, because there is not a number n which added to its sum of digits gives 230073630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230073637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122766 + ... + 124625.

It is an arithmetic number, because the mean of its divisors is an integer number (17812224).

Almost surely, 2230073630 is an apocalyptic number.

230073630 is an abundant number, since it is smaller than the sum of its proper divisors (339917538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230073630 is a wasteful number, since it uses less digits than its factorization.

230073630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247432.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 230073630 is about 15168.1782030671. The cubic root of 230073630 is about 612.7579410600.

The spelling of 230073630 in words is "two hundred thirty million, seventy-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 247391 494782 742173 1236955 1484346 2473910 3710865 7421730 7669121 15338242 23007363 38345605 46014726 76691210 115036815 230073630