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1230340334 = 223591094159
BaseRepresentation
bin100100101010101…
…1000000011101110
310011202002202122112
41021111120003232
510004431342314
6322030244022
742326502026
oct11125300356
93152082575
101230340334
115815499a3
122a4056612
13167b88342
14b958aa86
157303043e
hex495580ee

1230340334 has 32 divisors (see below), whose sum is σ = 1976832000. Its totient is φ = 573005664.

The previous prime is 1230340333. The next prime is 1230340339. The reversal of 1230340334 is 4330430321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230340333) 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, 293747 + ... + 297905.

It is an arithmetic number, because the mean of its divisors is an integer number (61776000).

Almost surely, 21230340334 is an apocalyptic number.

1230340334 is a deficient number, since it is larger than the sum of its proper divisors (746491666).

1230340334 is a wasteful number, since it uses less digits than its factorization.

1230340334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1230340334 is about 35076.2075201981. The cubic root of 1230340334 is about 1071.5400811450.

Adding to 1230340334 its reverse (4330430321), we get a palindrome (5560770655).

The spelling of 1230340334 in words is "one billion, two hundred thirty million, three hundred forty thousand, three hundred thirty-four".

Divisors: 1 2 23 46 59 109 118 218 1357 2507 2714 4159 5014 6431 8318 12862 95657 147913 191314 245381 295826 453331 490762 906662 5643763 10426613 11287526 20853226 26746529 53493058 615170167 1230340334