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42529870 = 254252987
BaseRepresentation
bin1010001000111…
…1010001001110
32222000202000101
42202033101032
541341423440
64115321314
71024332535
oct242172116
988022011
1042529870
1122009359
12122b023a
138a71206
14591131c
153b0169a
hex288f44e

42529870 has 8 divisors (see below), whose sum is σ = 76553784. Its totient is φ = 17011944.

The previous prime is 42529843. The next prime is 42529901. The reversal of 42529870 is 7892524.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126484 + ... + 2126503.

It is an arithmetic number, because the mean of its divisors is an integer number (9569223).

Almost surely, 242529870 is an apocalyptic number.

42529870 is a deficient number, since it is larger than the sum of its proper divisors (34023914).

42529870 is a wasteful number, since it uses less digits than its factorization.

42529870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252994.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42529870 is about 6521.4929272368. The cubic root of 42529870 is about 349.0583395219.

The spelling of 42529870 in words is "forty-two million, five hundred twenty-nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 4252987 8505974 21264935 42529870