Search a number
-
+
1230320234 = 211137160589
BaseRepresentation
bin100100101010101…
…0011001001101010
310011202001202002002
41021111103021222
510004430221414
6322030011002
742326356313
oct11125231152
93152052062
101230320234
11581535890
122a4046a62
13167b7c150
14b958360a
15730294de
hex4955326a

1230320234 has 32 divisors (see below), whose sum is σ = 2198689920. Its totient is φ = 508939200.

The previous prime is 1230320233. The next prime is 1230320239. The reversal of 1230320234 is 4320230321.

It is not an unprimeable number, because it can be changed into a prime (1230320233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9989 + ... + 50600.

It is an arithmetic number, because the mean of its divisors is an integer number (68709060).

Almost surely, 21230320234 is an apocalyptic number.

1230320234 is a deficient number, since it is larger than the sum of its proper divisors (968369686).

1230320234 is a wasteful number, since it uses less digits than its factorization.

1230320234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60686.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1230320234 is about 35075.9210000251. The cubic root of 1230320234 is about 1071.5342458835.

Adding to 1230320234 its reverse (4320230321), we get a palindrome (5550550555).

The spelling of 1230320234 in words is "one billion, two hundred thirty million, three hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 11 13 22 26 71 142 143 286 781 923 1562 1846 10153 20306 60589 121178 666479 787657 1332958 1575314 4301819 8603638 8664227 17328454 47320009 55923647 94640018 111847294 615160117 1230320234