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1345503430 = 2519291132161
BaseRepresentation
bin101000000110010…
…1100000011000110
310110202210122201101
41100030230003012
510223422102210
6341302450314
745225406345
oct12014540306
93422718641
101345503430
11630557707
1231673399a
131859aa79b
14ca9a7b5c
157d1cca3a
hex5032c0c6

1345503430 has 64 divisors (see below), whose sum is σ = 2661854400. Its totient is φ = 487710720.

The previous prime is 1345503389. The next prime is 1345503443. The reversal of 1345503430 is 343055431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621550 + ... + 623710.

It is an arithmetic number, because the mean of its divisors is an integer number (41591475).

Almost surely, 21345503430 is an apocalyptic number.

1345503430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345503430 is a deficient number, since it is larger than the sum of its proper divisors (1316350970).

1345503430 is a wasteful number, since it uses less digits than its factorization.

1345503430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1345503430 is about 36681.1045362595. The cubic root of 1345503430 is about 1103.9810102060.

Adding to 1345503430 its reverse (343055431), we get a palindrome (1688558861).

The spelling of 1345503430 in words is "one billion, three hundred forty-five million, five hundred three thousand, four hundred thirty".

Divisors: 1 2 5 10 19 29 38 58 95 113 145 190 226 290 551 565 1102 1130 2147 2161 2755 3277 4294 4322 5510 6554 10735 10805 16385 21470 21610 32770 41059 62263 62669 82118 124526 125338 205295 244193 311315 313345 410590 488386 622630 626690 1190711 1220965 2381422 2441930 4639667 5953555 7081597 9279334 11907110 14163194 23198335 35407985 46396670 70815970 134550343 269100686 672751715 1345503430