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114878221 = 941122081
BaseRepresentation
bin1101101100011…
…10011100001101
322000011102021221
412312032130031
5213402100341
615222123341
72563306633
oct666163415
9260142257
10114878221
1159933787
1232580551
131aa528a3
1411385353
15a142ed1
hex6d8e70d

114878221 has 4 divisors (see below), whose sum is σ = 115001244. Its totient is φ = 114755200.

The previous prime is 114878209. The next prime is 114878243. The reversal of 114878221 is 122878411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122878411 = 334736713.

It can be written as a sum of positive squares in 2 ways, for example, as 36360900 + 78517321 = 6030^2 + 8861^2 .

It is a cyclic number.

It is not a de Polignac number, because 114878221 - 223 = 106489613 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 (114878201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60100 + ... + 61981.

It is an arithmetic number, because the mean of its divisors is an integer number (28750311).

Almost surely, 2114878221 is an apocalyptic number.

It is an amenable number.

114878221 is a deficient number, since it is larger than the sum of its proper divisors (123023).

114878221 is an equidigital number, since it uses as much as digits as its factorization.

114878221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123022.

The product of its digits is 7168, while the sum is 34.

The square root of 114878221 is about 10718.1258156452. The cubic root of 114878221 is about 486.1226990125.

The spelling of 114878221 in words is "one hundred fourteen million, eight hundred seventy-eight thousand, two hundred twenty-one".

Divisors: 1 941 122081 114878221