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20114878 = 275327109
BaseRepresentation
bin100110010111…
…0110110111110
31101211221102111
41030232312332
520122134003
61555044234
7332654650
oct114566676
941757374
1020114878
1110399673
1268a067a
1342237c4
1429586d0
151b74e6d
hex132edbe

20114878 has 16 divisors (see below), whose sum is σ = 35134560. Its totient is φ = 8457696.

The previous prime is 20114873. The next prime is 20114879. The reversal of 20114878 is 87841102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114873) 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, 12813 + ... + 14296.

It is an arithmetic number, because the mean of its divisors is an integer number (2195910).

Almost surely, 220114878 is an apocalyptic number.

20114878 is a deficient number, since it is larger than the sum of its proper divisors (15019682).

20114878 is a wasteful number, since it uses less digits than its factorization.

20114878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27171.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 20114878 is about 4484.9613153293. The cubic root of 20114878 is about 271.9604812107.

It can be divided in two parts, 2011 and 4878, that added together give a square (6889 = 832).

The spelling of 20114878 in words is "twenty million, one hundred fourteen thousand, eight hundred seventy-eight".

Divisors: 1 2 7 14 53 106 371 742 27109 54218 189763 379526 1436777 2873554 10057439 20114878