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230154353 = 1113192329127
BaseRepresentation
bin11011011011111…
…10000001110001
3121001002001102022
431231332001301
5432404414403
634501001225
75463164642
oct1555760161
9531061368
10230154353
11108a09410
12650b3215
13388b4610
14227d16c9
1515313d38
hexdb7e071

230154353 has 64 divisors (see below), whose sum is σ = 309657600. Its totient is φ = 167650560.

The previous prime is 230154349. The next prime is 230154367. The reversal of 230154353 is 353451032.

It is not a de Polignac number, because 230154353 - 22 = 230154349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230150353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1812176 + ... + 1812302.

It is an arithmetic number, because the mean of its divisors is an integer number (4838400).

Almost surely, 2230154353 is an apocalyptic number.

230154353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230154353 is a deficient number, since it is larger than the sum of its proper divisors (79503247).

230154353 is a wasteful number, since it uses less digits than its factorization.

230154353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 230154353 is about 15170.8389023152. The cubic root of 230154353 is about 612.8295962015.

The spelling of 230154353 in words is "two hundred thirty million, one hundred fifty-four thousand, three hundred fifty-three".

Divisors: 1 11 13 19 23 29 127 143 209 247 253 299 319 377 437 551 667 1397 1651 2413 2717 2921 3289 3683 4147 4807 5681 6061 7163 7337 8671 12673 18161 26543 31369 32131 37973 40513 47879 55499 62491 69977 78793 84709 95381 139403 164749 345059 417703 526669 610489 721487 769747 909701 931799 1101217 1609471 1812239 7936357 10006711 12113387 17704181 20923123 230154353