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42793529 = 192937687
BaseRepresentation
bin1010001100111…
…1101000111001
32222112010200112
42203033220321
541423343104
64125114105
71026511322
oct243175071
988463615
1042793529
1122179459
12123b8935
138b3421c
14597d449
153b5486e
hex28cfa39

42793529 has 8 divisors (see below), whose sum is σ = 45205440. Its totient is φ = 40397616.

The previous prime is 42793523. The next prime is 42793537. The reversal of 42793529 is 92539724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42793529 is a prime.

It is a super-2 number, since 2×427935292 = 3662572248547682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42793523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724 + ... + 9410.

It is an arithmetic number, because the mean of its divisors is an integer number (5650680).

Almost surely, 242793529 is an apocalyptic number.

It is an amenable number.

42793529 is a deficient number, since it is larger than the sum of its proper divisors (2411911).

42793529 is a wasteful number, since it uses less digits than its factorization.

42793529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7999.

The product of its digits is 136080, while the sum is 41.

The square root of 42793529 is about 6541.6763142179. The cubic root of 42793529 is about 349.7781696375.

The spelling of 42793529 in words is "forty-two million, seven hundred ninety-three thousand, five hundred twenty-nine".

Divisors: 1 19 293 5567 7687 146053 2252291 42793529