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465120231 = 3679672393
BaseRepresentation
bin11011101110010…
…010101111100111
31012102012120000020
4123232102233213
51423032321411
6114053050223
714345312442
oct3356225747
91172176006
10465120231
11219603794
1210b926973
1375491c94
1445ab6659
152ac78606
hex1bb92be7

465120231 has 16 divisors (see below), whose sum is σ = 630330624. Its totient is φ = 305008704.

The previous prime is 465120211. The next prime is 465120239. The reversal of 465120231 is 132021564.

It is a de Polignac number, because none of the positive numbers 2k-465120231 is a prime.

It is a super-2 number, since 2×4651202312 = 432673658570986722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193171 + ... + 195563.

It is an arithmetic number, because the mean of its divisors is an integer number (39395664).

Almost surely, 2465120231 is an apocalyptic number.

465120231 is a deficient number, since it is larger than the sum of its proper divisors (165210393).

465120231 is a wasteful number, since it uses less digits than its factorization.

465120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 465120231 is about 21566.6462622263. The cubic root of 465120231 is about 774.7978555689.

Adding to 465120231 its reverse (132021564), we get a palindrome (597141795).

The spelling of 465120231 in words is "four hundred sixty-five million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 67 201 967 2393 2901 7179 64789 160331 194367 480993 2314031 6942093 155040077 465120231