Search a number
-
+
230301951 = 31145715271
BaseRepresentation
bin11011011101000…
…10000011111111
3121001100112212220
431232202003333
5432424130301
634504100423
75464351155
oct1556420377
9531315786
10230301951
11108aaa2a0
1265164713
1338936859
142282d3d5
1515342936
hexdba20ff

230301951 has 16 divisors (see below), whose sum is σ = 335739648. Its totient is φ = 139262400.

The previous prime is 230301931. The next prime is 230301971. The reversal of 230301951 is 159103032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230301931) and next prime (230301971).

It is not a de Polignac number, because 230301951 - 27 = 230301823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230301931) 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 15 ways as a sum of consecutive naturals, for example, 7446 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (20983728).

Almost surely, 2230301951 is an apocalyptic number.

230301951 is a deficient number, since it is larger than the sum of its proper divisors (105437697).

230301951 is a wasteful number, since it uses less digits than its factorization.

230301951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 230301951 is about 15175.7026525957. The cubic root of 230301951 is about 612.9605707594.

Adding to 230301951 its reverse (159103032), we get a palindrome (389404983).

The spelling of 230301951 in words is "two hundred thirty million, three hundred one thousand, nine hundred fifty-one".

Divisors: 1 3 11 33 457 1371 5027 15081 15271 45813 167981 503943 6978847 20936541 76767317 230301951