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230301351 = 3277151487
BaseRepresentation
bin11011011101000…
…01111010100111
3121001100112001200
431232201322213
5432424120401
634504053543
75464346340
oct1556417247
9531315050
10230301351
11108aa98a5
12651642b3
13389364b7
142282d0c7
1515342686
hexdba1ea7

230301351 has 24 divisors (see below), whose sum is σ = 385542144. Its totient is φ = 129744720.

The previous prime is 230301289. The next prime is 230301359. The reversal of 230301351 is 153103032.

It is not a de Polignac number, because 230301351 - 221 = 228204199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230301359) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 21271 + ... + 30216.

It is an arithmetic number, because the mean of its divisors is an integer number (16064256).

Almost surely, 2230301351 is an apocalyptic number.

230301351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230301351 is a deficient number, since it is larger than the sum of its proper divisors (155240793).

230301351 is a wasteful number, since it uses less digits than its factorization.

230301351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51571 (or 51568 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 230301351 is about 15175.6828841407. The cubic root of 230301351 is about 612.9600384485.

Adding to 230301351 its reverse (153103032), we get a palindrome (383404383).

The spelling of 230301351 in words is "two hundred thirty million, three hundred one thousand, three hundred fifty-one".

Divisors: 1 3 7 9 21 63 71 213 497 639 1491 4473 51487 154461 360409 463383 1081227 3243681 3655577 10966731 25589039 32900193 76767117 230301351