Search a number
-
+
1157399183 = 37137322783
BaseRepresentation
bin100010011111100…
…1000001010001111
32222122211222012102
41010333020022033
54332243233213
6310503025315
740452505433
oct10477101217
92878758172
101157399183
1154435a156
1228373b23b
13155a29bb5
14ada009c3
156b923158
hex44fc828f

1157399183 has 8 divisors (see below), whose sum is σ = 1189598208. Its totient is φ = 1125248544.

The previous prime is 1157399171. The next prime is 1157399233. The reversal of 1157399183 is 3819937511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157399183 - 220 = 1156350607 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 (1157359183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39410 + ... + 62192.

It is an arithmetic number, because the mean of its divisors is an integer number (148699776).

Almost surely, 21157399183 is an apocalyptic number.

1157399183 is a deficient number, since it is larger than the sum of its proper divisors (32199025).

1157399183 is a wasteful number, since it uses less digits than its factorization.

1157399183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24193.

The product of its digits is 204120, while the sum is 47.

The square root of 1157399183 is about 34020.5699981643. The cubic root of 1157399183 is about 1049.9317213349.

The spelling of 1157399183 in words is "one billion, one hundred fifty-seven million, three hundred ninety-nine thousand, one hundred eighty-three".

Divisors: 1 37 1373 22783 50801 842971 31281059 1157399183