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52277091 = 31723411087
BaseRepresentation
bin1100011101101…
…0111101100011
310122100221200120
43013122331203
5101340331331
65104251323
71203230226
oct307327543
9118327616
1052277091
1127566609
1215610b43
13aaa49b9
146d2b5bd
1548c9796
hex31daf63

52277091 has 32 divisors (see below), whose sum is σ = 78962688. Its totient is φ = 30581760.

The previous prime is 52277089. The next prime is 52277117. The reversal of 52277091 is 19077225.

It is not a de Polignac number, because 52277091 - 21 = 52277089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52277011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47550 + ... + 48636.

It is an arithmetic number, because the mean of its divisors is an integer number (2467584).

Almost surely, 252277091 is an apocalyptic number.

52277091 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52277091 is a deficient number, since it is larger than the sum of its proper divisors (26685597).

52277091 is a wasteful number, since it uses less digits than its factorization.

52277091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 52277091 is about 7230.2898282157. The cubic root of 52277091 is about 373.9129192820.

The spelling of 52277091 in words is "fifty-two million, two hundred seventy-seven thousand, ninety-one".

Divisors: 1 3 17 23 41 51 69 123 391 697 943 1087 1173 2091 2829 3261 16031 18479 25001 44567 48093 55437 75003 133701 425017 757639 1025041 1275051 2272917 3075123 17425697 52277091