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52881191 = 114919791
BaseRepresentation
bin1100100110111…
…0011100100111
310200111122100122
43021232130213
5102014144231
65125232155
71211324366
oct311563447
9120448318
1052881191
1127939470
121586265b
13ac5695c
1470477dd
15499877b
hex326e727

52881191 has 8 divisors (see below), whose sum is σ = 57811968. Its totient is φ = 47971000.

The previous prime is 52881187. The next prime is 52881223. The reversal of 52881191 is 19118825.

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

It is not a de Polignac number, because 52881191 - 22 = 52881187 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 (52881131) 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, 506 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (7226496).

Almost surely, 252881191 is an apocalyptic number.

52881191 is a deficient number, since it is larger than the sum of its proper divisors (4930777).

52881191 is a wasteful number, since it uses less digits than its factorization.

52881191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293.

The product of its digits is 5760, while the sum is 35.

The square root of 52881191 is about 7271.9454755932. The cubic root of 52881191 is about 375.3476858355.

The spelling of 52881191 in words is "fifty-two million, eight hundred eighty-one thousand, one hundred ninety-one".

Divisors: 1 11 491 5401 9791 107701 4807381 52881191