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8453142 = 2323115149
BaseRepresentation
bin100000001111…
…110000010110
3120220110112100
4200033300112
54131000032
6501102530
7131564505
oct40176026
916813470
108453142
114853a75
1229b7a46
13199c779
1411a083c
15b1e97c
hex80fc16

8453142 has 24 divisors (see below), whose sum is σ = 18907200. Its totient is φ = 2726640.

The previous prime is 8453141. The next prime is 8453143. The reversal of 8453142 is 2413548.

It is an interprime number because it is at equal distance from previous prime (8453141) and next prime (8453143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8453141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7017 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (787800).

Almost surely, 28453142 is an apocalyptic number.

8453142 is an abundant number, since it is smaller than the sum of its proper divisors (10454058).

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

8453142 is a wasteful number, since it uses less digits than its factorization.

8453142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188 (or 15185 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 8453142 is about 2907.4287609501. The cubic root of 8453142 is about 203.7070477916.

The spelling of 8453142 in words is "eight million, four hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 15149 30298 45447 90894 136341 272682 469619 939238 1408857 2817714 4226571 8453142