Search a number
-
+
230173407438 = 23137141562551
BaseRepresentation
bin1101011001011101100…
…1110111100011001110
3211000010011212121011020
43112113121313203032
512232343343014223
6253423514535010
722425624452622
oct3262731674316
9730104777136
10230173407438
1189685984867
1238738737466
13189225ba510
14b1d7589182
155ec24031e3
hex35976778ce

230173407438 has 32 divisors (see below), whose sum is σ = 502740628992. Its totient is φ = 69825084000.

The previous prime is 230173407379. The next prime is 230173407481. The reversal of 230173407438 is 834704371032.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230173407438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20775738 + ... + 20786813.

It is an arithmetic number, because the mean of its divisors is an integer number (15710644656).

Almost surely, 2230173407438 is an apocalyptic number.

230173407438 is an abundant number, since it is smaller than the sum of its proper divisors (272567221554).

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

230173407438 is a wasteful number, since it uses less digits than its factorization.

230173407438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41562640.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 230173407438 in words is "two hundred thirty billion, one hundred seventy-three million, four hundred seven thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 71 78 142 213 426 923 1846 2769 5538 41562551 83125102 124687653 249375306 540313163 1080626326 1620939489 2950941121 3241878978 5901882242 8852823363 17705646726 38362234573 76724469146 115086703719 230173407438