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2142042232 = 231124341389
BaseRepresentation
bin111111110101100…
…1111100001111000
312112021122000112111
41333223033201320
513341330322412
6552315222104
7104040026041
oct17753174170
95467560474
102142042232
119aa144040
124b9447934
13281a1b115
141646b18c8
15c80be2a7
hex7facf878

2142042232 has 16 divisors (see below), whose sum is σ = 4381450200. Its totient is φ = 973655520.

The previous prime is 2142042191. The next prime is 2142042241. The reversal of 2142042232 is 2322402412.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12170607 + ... + 12170782.

Almost surely, 22142042232 is an apocalyptic number.

2142042232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2142042232 is an abundant number, since it is smaller than the sum of its proper divisors (2239407968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142042232 is a wasteful number, since it uses less digits than its factorization.

2142042232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24341406 (or 24341402 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2142042232 is about 46282.2021083699. The cubic root of 2142042232 is about 1289.0685405788.

Adding to 2142042232 its reverse (2322402412), we get a palindrome (4464444644).

The spelling of 2142042232 in words is "two billion, one hundred forty-two million, forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 24341389 48682778 97365556 194731112 267755279 535510558 1071021116 2142042232