Search a number
-
+
797155127 = 1971590923
BaseRepresentation
bin101111100000111…
…001111100110111
32001112222200020222
4233200321330313
53113032431002
6211033444555
725516464266
oct5740717467
92045880228
10797155127
11379a7849a
121a2b7075b
13c91c8032
1477c285dd
1549eb41a2
hex2f839f37

797155127 has 8 divisors (see below), whose sum is σ = 850930560. Its totient is φ = 744561720.

The previous prime is 797155081. The next prime is 797155133. The reversal of 797155127 is 721551797.

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 797155127 - 212 = 797151031 is a prime.

It is a super-2 number, since 2×7971551272 = 1270912593004772258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797151127) by changing a digit.

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, 294113 + ... + 296810.

It is an arithmetic number, because the mean of its divisors is an integer number (106366320).

Almost surely, 2797155127 is an apocalyptic number.

797155127 is a deficient number, since it is larger than the sum of its proper divisors (53775433).

797155127 is a wasteful number, since it uses less digits than its factorization.

797155127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591013.

The product of its digits is 154350, while the sum is 44.

The square root of 797155127 is about 28233.9357334396. The cubic root of 797155127 is about 927.2160655429.

The spelling of 797155127 in words is "seven hundred ninety-seven million, one hundred fifty-five thousand, one hundred twenty-seven".

Divisors: 1 19 71 1349 590923 11227537 41955533 797155127