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1306144364 = 22767696239
BaseRepresentation
bin100110111011010…
…0010111001101100
310101000202000020012
41031312202321230
510133333104424
6333335112352
744240021030
oct11566427154
93330660205
101306144364
11610314658
123055126b8
1317a7a98b5
14c56801c0
1579a05b0e
hex4dda2e6c

1306144364 has 24 divisors (see below), whose sum is σ = 2651281920. Its totient is φ = 551420496.

The previous prime is 1306144319. The next prime is 1306144403. The reversal of 1306144364 is 4634416031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306144364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346244 + ... + 349995.

It is an arithmetic number, because the mean of its divisors is an integer number (110470080).

Almost surely, 21306144364 is an apocalyptic number.

1306144364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1306144364 is an abundant number, since it is smaller than the sum of its proper divisors (1345137556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306144364 is a wasteful number, since it uses less digits than its factorization.

1306144364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696317 (or 696315 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1306144364 is about 36140.6193084734. The cubic root of 1306144364 is about 1093.1096465928.

The spelling of 1306144364 in words is "one billion, three hundred six million, one hundred forty-four thousand, three hundred sixty-four".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1876 696239 1392478 2784956 4873673 9747346 19494692 46648013 93296026 186592052 326536091 653072182 1306144364