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42577870 = 254257787
BaseRepresentation
bin1010001001101…
…0111111001110
32222010011212011
42202122333032
541344442440
64120331434
71024622506
oct242327716
988104764
1042577870
1122041425
1212313b7a
138a8a00a
145924a06
153b109ea
hex289afce

42577870 has 8 divisors (see below), whose sum is σ = 76640184. Its totient is φ = 17031144.

The previous prime is 42577823. The next prime is 42577891. The reversal of 42577870 is 7877524.

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, 2128884 + ... + 2128903.

It is an arithmetic number, because the mean of its divisors is an integer number (9580023).

Almost surely, 242577870 is an apocalyptic number.

42577870 is a deficient number, since it is larger than the sum of its proper divisors (34062314).

42577870 is a wasteful number, since it uses less digits than its factorization.

42577870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257794.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 42577870 is about 6525.1720283836. The cubic root of 42577870 is about 349.1896080554.

The spelling of 42577870 in words is "forty-two million, five hundred seventy-seven thousand, eight hundred seventy".

Divisors: 1 2 5 10 4257787 8515574 21288935 42577870