Search a number
-
+
307234122 = 231359101661
BaseRepresentation
bin10010010100000…
…000010101001010
3210102010002222120
4102110000111022
51112122442442
650253032110
710420306206
oct2224002512
9712102876
10307234122
111484755a8
1286a85636
134b861750
142cb37b06
151be8c4ec
hex1250054a

307234122 has 64 divisors (see below), whose sum is σ = 680641920. Its totient is φ = 91872000.

The previous prime is 307234121. The next prime is 307234133. The reversal of 307234122 is 221432703.

It is a super-2 number, since 2×3072341222 = 188785611442221768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307234092 and 307234101.

It is not an unprimeable number, because it can be changed into a prime (307234121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464472 + ... + 465132.

It is an arithmetic number, because the mean of its divisors is an integer number (10635030).

Almost surely, 2307234122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307234122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340320960).

307234122 is an abundant number, since it is smaller than the sum of its proper divisors (373407798).

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

307234122 is a wasteful number, since it uses less digits than its factorization.

307234122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 307234122 is about 17528.0952188194. The cubic root of 307234122 is about 674.7711136163.

Adding to 307234122 its reverse (221432703), we get a palindrome (528666825).

The spelling of 307234122 in words is "three hundred seven million, two hundred thirty-four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 59 78 101 118 177 202 303 354 606 661 767 1313 1322 1534 1983 2301 2626 3939 3966 4602 5959 7878 8593 11918 17186 17877 25779 35754 38999 51558 66761 77467 77998 116997 133522 154934 200283 232401 233994 400566 464802 506987 867893 1013974 1520961 1735786 2603679 3041922 3938899 5207358 7877798 11816697 23633394 51205687 102411374 153617061 307234122