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230020010 = 25112390917
BaseRepresentation
bin11011011010111…
…01001110101010
3121000211020010122
431231131032222
5432341120020
634454043242
75462065163
oct1555351652
9530736118
10230020010
11108927490
1265049522
133886841c
142279876a
15152d9125
hexdb5d3aa

230020010 has 32 divisors (see below), whose sum is σ = 471318912. Its totient is φ = 80006080.

The previous prime is 230020003. The next prime is 230020039. The reversal of 230020010 is 10020032.

It is a self number, because there is not a number n which added to its sum of digits gives 230020010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42929 + ... + 47988.

It is an arithmetic number, because the mean of its divisors is an integer number (14728716).

Almost surely, 2230020010 is an apocalyptic number.

230020010 is an abundant number, since it is smaller than the sum of its proper divisors (241298902).

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

230020010 is a wasteful number, since it uses less digits than its factorization.

230020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90958.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 230020010 is about 15166.4105839187. The cubic root of 230020010 is about 612.7103350921.

Adding to 230020010 its reverse (10020032), we get a palindrome (240040042).

The spelling of 230020010 in words is "two hundred thirty million, twenty thousand, ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 90917 181834 454585 909170 1000087 2000174 2091091 4182182 5000435 10000870 10455455 20910910 23002001 46004002 115010005 230020010