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42759097 = 172515241
BaseRepresentation
bin1010001100011…
…1001110111001
32222110101110021
42203013032321
541421242342
64124250441
71026306043
oct243071671
988411407
1042759097
11221555a7
12123a0a21
138b21654
145970a93
153b49567
hex28c73b9

42759097 has 4 divisors (see below), whose sum is σ = 45274356. Its totient is φ = 40243840.

The previous prime is 42759091. The next prime is 42759103. The reversal of 42759097 is 79095724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42759091) and next prime (42759103).

It can be written as a sum of positive squares in 2 ways, for example, as 33419961 + 9339136 = 5781^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 42759097 - 23 = 42759089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42759091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257604 + ... + 1257637.

It is an arithmetic number, because the mean of its divisors is an integer number (11318589).

Almost surely, 242759097 is an apocalyptic number.

It is an amenable number.

42759097 is a deficient number, since it is larger than the sum of its proper divisors (2515259).

42759097 is a wasteful number, since it uses less digits than its factorization.

42759097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515258.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 42759097 is about 6539.0440432834. The cubic root of 42759097 is about 349.6843330709.

The spelling of 42759097 in words is "forty-two million, seven hundred fifty-nine thousand, ninety-seven".

Divisors: 1 17 2515241 42759097