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1022528142 = 23256807119
BaseRepresentation
bin111100111100101…
…000101010001110
32122021001210220200
4330330220222032
54043231400032
6245244154330
734224226416
oct7474505216
92567053820
101022528142
11485210589
122465389a6
13133ac724c
1499b33646
155eb8147c
hex3cf28a8e

1022528142 has 12 divisors (see below), whose sum is σ = 2215477680. Its totient is φ = 340842708.

The previous prime is 1022528137. The next prime is 1022528147. The reversal of 1022528142 is 2418252201.

It is an interprime number because it is at equal distance from previous prime (1022528137) and next prime (1022528147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022528147) 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, 28403542 + ... + 28403577.

It is an arithmetic number, because the mean of its divisors is an integer number (184623140).

Almost surely, 21022528142 is an apocalyptic number.

1022528142 is an abundant number, since it is smaller than the sum of its proper divisors (1192949538).

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

1022528142 is a wasteful number, since it uses less digits than its factorization.

1022528142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56807127 (or 56807124 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1022528142 is about 31976.9939487751. The cubic root of 1022528142 is about 1007.4536852076.

The spelling of 1022528142 in words is "one billion, twenty-two million, five hundred twenty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 56807119 113614238 170421357 340842714 511264071 1022528142