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1233430142 = 274117312421
BaseRepresentation
bin100100110000100…
…1010011001111110
310011221220202001212
41021201022121332
510011224231032
6322220404422
742364661150
oct11141123176
93157822055
101233430142
1158326a35a
122a50a6712
131686ca829
14b9b52ad0
1573440bb2
hex4984a67e

1233430142 has 32 divisors (see below), whose sum is σ = 2178719424. Its totient is φ = 512697600.

The previous prime is 1233430141. The next prime is 1233430153. The reversal of 1233430142 is 2410343321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233430141) 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, 93092 + ... + 105512.

It is an arithmetic number, because the mean of its divisors is an integer number (68084982).

Almost surely, 21233430142 is an apocalyptic number.

1233430142 is a deficient number, since it is larger than the sum of its proper divisors (945289282).

1233430142 is a wasteful number, since it uses less digits than its factorization.

1233430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1233430142 is about 35120.2241165970. The cubic root of 1233430142 is about 1072.4363332687.

Adding to 1233430142 its reverse (2410343321), we get a palindrome (3643773463).

The spelling of 1233430142 in words is "one billion, two hundred thirty-three million, four hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7 14 41 82 173 287 346 574 1211 2422 7093 12421 14186 24842 49651 86947 99302 173894 509261 1018522 2148833 3564827 4297666 7129654 15041831 30083662 88102153 176204306 616715071 1233430142