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420132111 = 3740149891
BaseRepresentation
bin11001000010101…
…011010100001111
31002021112220220120
4121002223110033
51330023211421
6105404520023
713261030650
oct3102532417
91067486816
10420132111
111a6176523
12b8850013
136906cba9
143db25527
1526d3d8c6
hex190ab50f

420132111 has 16 divisors (see below), whose sum is σ = 641810688. Its totient is φ = 239472000.

The previous prime is 420132103. The next prime is 420132131. The reversal of 420132111 is 111231024.

It is not a de Polignac number, because 420132111 - 23 = 420132103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420132131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16525 + ... + 33366.

It is an arithmetic number, because the mean of its divisors is an integer number (40113168).

Almost surely, 2420132111 is an apocalyptic number.

420132111 is a deficient number, since it is larger than the sum of its proper divisors (221678577).

420132111 is a wasteful number, since it uses less digits than its factorization.

420132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 420132111 is about 20497.1244568598. The cubic root of 420132111 is about 748.9657513174.

Adding to 420132111 its reverse (111231024), we get a palindrome (531363135).

The spelling of 420132111 in words is "four hundred twenty million, one hundred thirty-two thousand, one hundred eleven".

Divisors: 1 3 7 21 401 1203 2807 8421 49891 149673 349237 1047711 20006291 60018873 140044037 420132111