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42588427 = 77185691
BaseRepresentation
bin1010001001110…
…1100100001011
32222010201100011
42202131210023
541400312202
64120452351
71024665340
oct242354413
988121304
1042588427
1122049352
121231a0b7
138a91a6b
1459287c7
153b13bd7
hex289d90b

42588427 has 8 divisors (see below), whose sum is σ = 49358592. Its totient is φ = 35989800.

The previous prime is 42588409. The next prime is 42588437. The reversal of 42588427 is 72488524.

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

It is not a de Polignac number, because 42588427 - 215 = 42555659 is a prime.

It is a super-2 number, since 2×425884272 = 3627548228668658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42588427.

It is not an unprimeable number, because it can be changed into a prime (42588437) 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, 42349 + ... + 43342.

It is an arithmetic number, because the mean of its divisors is an integer number (6169824).

Almost surely, 242588427 is an apocalyptic number.

42588427 is a deficient number, since it is larger than the sum of its proper divisors (6770165).

42588427 is an equidigital number, since it uses as much as digits as its factorization.

42588427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85769.

The product of its digits is 143360, while the sum is 40.

The square root of 42588427 is about 6525.9809224361. The cubic root of 42588427 is about 349.2184656917.

The spelling of 42588427 in words is "forty-two million, five hundred eighty-eight thousand, four hundred twenty-seven".

Divisors: 1 7 71 497 85691 599837 6084061 42588427