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42906395 = 571225897
BaseRepresentation
bin1010001110101…
…1001100011011
32222201212111202
42203223030123
541441001040
64131344415
71030461350
oct243531433
988655452
1042906395
1122246234
121245210b
138b736cc
1459ac627
153b78015
hex28eb31b

42906395 has 8 divisors (see below), whose sum is σ = 58843104. Its totient is φ = 29421504.

The previous prime is 42906379. The next prime is 42906443. The reversal of 42906395 is 59360924.

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

It is not a de Polignac number, because 42906395 - 24 = 42906379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612914 + ... + 612983.

It is an arithmetic number, because the mean of its divisors is an integer number (7355388).

Almost surely, 242906395 is an apocalyptic number.

42906395 is a deficient number, since it is larger than the sum of its proper divisors (15936709).

42906395 is a wasteful number, since it uses less digits than its factorization.

42906395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225909.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 42906395 is about 6550.2973214962. The cubic root of 42906395 is about 350.0854077284.

The spelling of 42906395 in words is "forty-two million, nine hundred six thousand, three hundred ninety-five".

Divisors: 1 5 7 35 1225897 6129485 8581279 42906395