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42753180 = 22354373227
BaseRepresentation
bin1010001100010…
…1110010011100
32222110002100010
42203011302130
541421100210
64124203220
71026252561
oct243056234
988402303
1042753180
1122151108
1212399510
138b1ba52
14596c868
153b47920
hex28c5c9c

42753180 has 96 divisors (see below), whose sum is σ = 124717824. Its totient is φ = 10934784.

The previous prime is 42753157. The next prime is 42753187. The reversal of 42753180 is 8135724.

It is a super-2 number, since 2×427531802 = 3655668800224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42753187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188227 + ... + 188453.

It is an arithmetic number, because the mean of its divisors is an integer number (1299144).

Almost surely, 242753180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42753180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62358912).

42753180 is an abundant number, since it is smaller than the sum of its proper divisors (81964644).

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

42753180 is a wasteful number, since it uses less digits than its factorization.

42753180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 42753180 is about 6538.5915914668. The cubic root of 42753180 is about 349.6682025647.

The spelling of 42753180 in words is "forty-two million, seven hundred fifty-three thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 73 86 129 146 172 215 219 227 258 292 365 430 438 454 516 645 681 730 860 876 908 1095 1135 1290 1362 1460 2190 2270 2580 2724 3139 3405 4380 4540 6278 6810 9417 9761 12556 13620 15695 16571 18834 19522 29283 31390 33142 37668 39044 47085 48805 49713 58566 62780 66284 82855 94170 97610 99426 117132 146415 165710 188340 195220 198852 248565 292830 331420 497130 585660 712553 994260 1425106 2137659 2850212 3562765 4275318 7125530 8550636 10688295 14251060 21376590 42753180