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42148315 = 511766333
BaseRepresentation
bin1010000011001…
…0000111011011
32221022100121201
42200302013123
541242221230
64103215031
71021153246
oct240620733
987270551
1042148315
1121878720
1212147477
138969641
14585225d
153a785ca
hex28321db

42148315 has 8 divisors (see below), whose sum is σ = 55176048. Its totient is φ = 30653280.

The previous prime is 42148297. The next prime is 42148363. The reversal of 42148315 is 51384124.

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

It is not a de Polignac number, because 42148315 - 213 = 42140123 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, 383112 + ... + 383221.

It is an arithmetic number, because the mean of its divisors is an integer number (6897006).

Almost surely, 242148315 is an apocalyptic number.

42148315 is a deficient number, since it is larger than the sum of its proper divisors (13027733).

42148315 is a wasteful number, since it uses less digits than its factorization.

42148315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766349.

The product of its digits is 3840, while the sum is 28.

The square root of 42148315 is about 6492.1733649064. The cubic root of 42148315 is about 348.0113480027.

The spelling of 42148315 in words is "forty-two million, one hundred forty-eight thousand, three hundred fifteen".

Divisors: 1 5 11 55 766333 3831665 8429663 42148315