Search a number
-
+
1314387320 = 235191729457
BaseRepresentation
bin100111001010111…
…1111010101111000
310101121020210102212
41032111333111320
510142440343240
6334231514252
744400052001
oct11625772570
93347223385
101314387320
11614a34714
12308228988
1317c40479c
14c67c81a8
157a5d3165
hex4e57f578

1314387320 has 32 divisors (see below), whose sum is σ = 3113024400. Its totient is φ = 498083328.

The previous prime is 1314387311. The next prime is 1314387337. The reversal of 1314387320 is 237834131.

It is a super-2 number, since 2×13143873202 = 3455228053953564800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 863969 + ... + 865488.

Almost surely, 21314387320 is an apocalyptic number.

1314387320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314387320 is an abundant number, since it is smaller than the sum of its proper divisors (1798637080).

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

1314387320 is a wasteful number, since it uses less digits than its factorization.

1314387320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729487 (or 1729483 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1314387320 is about 36254.4799990291. The cubic root of 1314387320 is about 1095.4043307107.

The spelling of 1314387320 in words is "one billion, three hundred fourteen million, three hundred eighty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1729457 3458914 6917828 8647285 13835656 17294570 32859683 34589140 65719366 69178280 131438732 164298415 262877464 328596830 657193660 1314387320