Search a number
-
+
1157365430 = 2513191393371
BaseRepresentation
bin100010011111011…
…1111111010110110
32222122210020220022
41010332333322312
54332241143210
6310502205142
740452305144
oct10476777266
92878706808
101157365430
11544336861
122837237b2
13155a17720
14ad9d2594
156b918155
hex44fbfeb6

1157365430 has 64 divisors (see below), whose sum is σ = 2379283200. Its totient is φ = 401811840.

The previous prime is 1157365421. The next prime is 1157365441. The reversal of 1157365430 is 345637511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341645 + ... + 345015.

It is an arithmetic number, because the mean of its divisors is an integer number (37176300).

Almost surely, 21157365430 is an apocalyptic number.

1157365430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157365430 is an abundant number, since it is smaller than the sum of its proper divisors (1221917770).

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

1157365430 is a wasteful number, since it uses less digits than its factorization.

1157365430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1157365430 is about 34020.0739270214. The cubic root of 1157365430 is about 1049.9215149197.

The spelling of 1157365430 in words is "one billion, one hundred fifty-seven million, three hundred sixty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 139 190 247 278 494 695 1235 1390 1807 2470 2641 3371 3614 5282 6742 9035 13205 16855 18070 26410 33710 34333 43823 64049 68666 87646 128098 171665 219115 320245 343330 438230 468569 640490 832637 937138 1665274 2342845 4163185 4685690 6091397 8326370 8902811 12182794 17805622 30456985 44514055 60913970 89028110 115736543 231473086 578682715 1157365430