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1306463457 = 313223199563
BaseRepresentation
bin100110111011111…
…0000110011100001
310101001100012221110
41031313300303201
510133423312312
6333350013533
744242520235
oct11567606341
93331305843
101306463457
11610512372
123056472a9
1317a88bc00
14c57245c5
1579a6a43c
hex4ddf0ce1

1306463457 has 48 divisors (see below), whose sum is σ = 1981670400. Its totient is φ = 763798464.

The previous prime is 1306463449. The next prime is 1306463461. The reversal of 1306463457 is 7543646031.

It is not a de Polignac number, because 1306463457 - 23 = 1306463449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1306463437) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2320258 + ... + 2320820.

It is an arithmetic number, because the mean of its divisors is an integer number (41284800).

Almost surely, 21306463457 is an apocalyptic number.

It is an amenable number.

1306463457 is a deficient number, since it is larger than the sum of its proper divisors (675206943).

1306463457 is a wasteful number, since it uses less digits than its factorization.

1306463457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 1306463457 is about 36145.0336422585. The cubic root of 1306463457 is about 1093.1986554460.

The spelling of 1306463457 in words is "one billion, three hundred six million, four hundred sixty-three thousand, four hundred fifty-seven".

Divisors: 1 3 13 23 39 69 169 199 299 507 563 597 897 1689 2587 3887 4577 7319 7761 11661 12949 13731 21957 33631 38847 59501 95147 100893 112037 168337 178503 285441 336111 505011 773513 1456481 2188381 2320539 2576851 4369443 6565143 7730553 18934253 33499063 56802759 100497189 435487819 1306463457