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1028267142 = 23724482551
BaseRepresentation
bin111101010010100…
…001110010000110
32122122212101100020
4331102201302012
54101214022032
6250011200010
734324061250
oct7522416206
92578771306
101028267142
11488480361
12248446006
131350564c6
149a7c8cd0
1560416b2c
hex3d4a1c86

1028267142 has 16 divisors (see below), whose sum is σ = 2350324992. Its totient is φ = 293790600.

The previous prime is 1028267113. The next prime is 1028267153. The reversal of 1028267142 is 2417628201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12241234 + ... + 12241317.

It is an arithmetic number, because the mean of its divisors is an integer number (146895312).

Almost surely, 21028267142 is an apocalyptic number.

1028267142 is an abundant number, since it is smaller than the sum of its proper divisors (1322057850).

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

1028267142 is a wasteful number, since it uses less digits than its factorization.

1028267142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482563.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1028267142 is about 32066.6047781801. The cubic root of 1028267142 is about 1009.3349678865.

The spelling of 1028267142 in words is "one billion, twenty-eight million, two hundred sixty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 24482551 48965102 73447653 146895306 171377857 342755714 514133571 1028267142