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214169641 = 724370809
BaseRepresentation
bin11001100001111…
…11100000101001
3112220222221111221
430300333200221
5414311412031
633130222041
75210261200
oct1460774051
9486887457
10214169641
11aa990904
125b884921
13354a89ca
1420630237
1513c07a11
hexcc3f829

214169641 has 6 divisors (see below), whose sum is σ = 249136170. Its totient is φ = 183573936.

The previous prime is 214169617. The next prime is 214169677. The reversal of 214169641 is 146961412.

It is a happy number.

214169641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133888041 + 80281600 = 11571^2 + 8960^2 .

It is not a de Polignac number, because 214169641 - 213 = 214161449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214169597 and 214169606.

It is not an unprimeable number, because it can be changed into a prime (214169041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2185356 + ... + 2185453.

It is an arithmetic number, because the mean of its divisors is an integer number (41522695).

Almost surely, 2214169641 is an apocalyptic number.

It is an amenable number.

214169641 is a deficient number, since it is larger than the sum of its proper divisors (34966529).

214169641 is an equidigital number, since it uses as much as digits as its factorization.

214169641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370823 (or 4370816 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 214169641 is about 14634.5358997134. The cubic root of 214169641 is about 598.3004133694.

The spelling of 214169641 in words is "two hundred fourteen million, one hundred sixty-nine thousand, six hundred forty-one".

Divisors: 1 7 49 4370809 30595663 214169641