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1230244442 = 27415034261
BaseRepresentation
bin100100101010100…
…0000101001011010
310011201220220002222
41021111000221122
510004420310232
6322024224042
742325622330
oct11125005132
93151826088
101230244442
11581493949
122a400b022
13167b537bb
14b9563b50
1573011d12
hex49540a5a

1230244442 has 32 divisors (see below), whose sum is σ = 2165232384. Its totient is φ = 513244800.

The previous prime is 1230244441. The next prime is 1230244451. The reversal of 1230244442 is 2444420321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1230244441) 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, 286592 + ... + 290852.

It is an arithmetic number, because the mean of its divisors is an integer number (67663512).

Almost surely, 21230244442 is an apocalyptic number.

1230244442 is a deficient number, since it is larger than the sum of its proper divisors (934987942).

1230244442 is a wasteful number, since it uses less digits than its factorization.

1230244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1230244442 is about 35074.8405840996. The cubic root of 1230244442 is about 1071.5122420211.

Adding to 1230244442 its reverse (2444420321), we get a palindrome (3674664763).

The spelling of 1230244442 in words is "one billion, two hundred thirty million, two hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 7 14 41 82 287 503 574 1006 3521 4261 7042 8522 20623 29827 41246 59654 144361 174701 288722 349402 1222907 2143283 2445814 4286566 15002981 30005962 87874603 175749206 615122221 1230244442