Search a number
-
+
1349463297 = 371337133597
BaseRepresentation
bin101000001101111…
…0010110100000001
310111001020211122010
41100123302310001
510230430311142
6341523403133
745304151220
oct12033626401
93431224563
101349463297
11632811826
12317b234a9
13186765cc0
14cb318cb7
157d710e9c
hex506f2d01

1349463297 has 32 divisors (see below), whose sum is σ = 2274372352. Its totient is φ = 692561664.

The previous prime is 1349463259. The next prime is 1349463307. The reversal of 1349463297 is 7923649431.

It is a happy number.

It is not a de Polignac number, because 1349463297 - 26 = 1349463233 is a prime.

It is a super-2 number, since 2×13494632972 = 3642102379900220418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1349463497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56698 + ... + 76899.

It is an arithmetic number, because the mean of its divisors is an integer number (71074136).

Almost surely, 21349463297 is an apocalyptic number.

It is an amenable number.

1349463297 is a deficient number, since it is larger than the sum of its proper divisors (924909055).

1349463297 is a wasteful number, since it uses less digits than its factorization.

1349463297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133657.

The product of its digits is 979776, while the sum is 48.

The square root of 1349463297 is about 36735.0418129611. The cubic root of 1349463297 is about 1105.0629686413.

The spelling of 1349463297 in words is "one billion, three hundred forty-nine million, four hundred sixty-three thousand, two hundred ninety-seven".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 3367 10101 133597 400791 935179 1736761 2805537 4943089 5210283 12157327 14829267 34601623 36471981 64260157 103804869 192780471 449821099 1349463297