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42150497 = 176533797
BaseRepresentation
bin1010000011001…
…0101001100001
32221022110121112
42200302221201
541242303442
64103233105
71021162514
oct240625141
987273545
1042150497
112187a324
1212148795
13896a62c
145852d7b
153a79082
hex2832a61

42150497 has 8 divisors (see below), whose sum is σ = 44710056. Its totient is φ = 39599872.

The previous prime is 42150487. The next prime is 42150503. The reversal of 42150497 is 79405124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 41977441 = 416^2 + 6479^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42150497 - 216 = 42084961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42150457) 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, 9203 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (5588757).

Almost surely, 242150497 is an apocalyptic number.

It is an amenable number.

42150497 is a deficient number, since it is larger than the sum of its proper divisors (2559559).

42150497 is a wasteful number, since it uses less digits than its factorization.

42150497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 42150497 is about 6492.3414112322. The cubic root of 42150497 is about 348.0173533646.

The spelling of 42150497 in words is "forty-two million, one hundred fifty thousand, four hundred ninety-seven".

Divisors: 1 17 653 3797 11101 64549 2479441 42150497