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1305424373 = 111752113399
BaseRepresentation
bin100110111001111…
…0011000111110101
310100222101102120212
41031303303013311
510133142034443
6333311435205
744230631651
oct11563630765
93328342525
101305424373
1160a972720
12305225b05
1317a5b6c76
14c5533a61
1579912618
hex4dcf31f5

1305424373 has 16 divisors (see below), whose sum is σ = 1510876800. Its totient is φ = 1114713600.

The previous prime is 1305424319. The next prime is 1305424391. The reversal of 1305424373 is 3734245031.

It is not a de Polignac number, because 1305424373 - 222 = 1301230069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305424273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90728 + ... + 104126.

It is an arithmetic number, because the mean of its divisors is an integer number (94429800).

Almost surely, 21305424373 is an apocalyptic number.

It is an amenable number.

1305424373 is a deficient number, since it is larger than the sum of its proper divisors (205452427).

1305424373 is a wasteful number, since it uses less digits than its factorization.

1305424373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13948.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 1305424373 is about 36130.6569688402. The cubic root of 1305424373 is about 1092.9087566591.

The spelling of 1305424373 in words is "one billion, three hundred five million, four hundred twenty-four thousand, three hundred seventy-three".

Divisors: 1 11 17 187 521 5731 8857 13399 97427 147389 227783 2505613 6980879 76789669 118674943 1305424373