Search a number
-
+
1307948345 = 51123780879
BaseRepresentation
bin100110111110101…
…1011010100111001
310101011010122211022
41031331123110321
510134313321340
6333441512225
744261243324
oct11575332471
93334118738
101307948345
11611336a50
12306042675
1317ac8ba42
14c59cd7bb
1579c603b5
hex4df5b539

1307948345 has 8 divisors (see below), whose sum is σ = 1712223360. Its totient is φ = 951235120.

The previous prime is 1307948333. The next prime is 1307948371. The reversal of 1307948345 is 5438497031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1307948345 - 216 = 1307882809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1307948296 and 1307948305.

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, 11890385 + ... + 11890494.

It is an arithmetic number, because the mean of its divisors is an integer number (214027920).

Almost surely, 21307948345 is an apocalyptic number.

It is an amenable number.

1307948345 is a deficient number, since it is larger than the sum of its proper divisors (404275015).

1307948345 is a wasteful number, since it uses less digits than its factorization.

1307948345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23780895.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1307948345 is about 36165.5685009928. The cubic root of 1307948345 is about 1093.6126644652.

The spelling of 1307948345 in words is "one billion, three hundred seven million, nine hundred forty-eight thousand, three hundred forty-five".

Divisors: 1 5 11 55 23780879 118904395 261589669 1307948345