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42150079 = 29250119
BaseRepresentation
bin1010000011001…
…0100010111111
32221022110001001
42200302202333
541242300304
64103231131
71021161346
oct240624277
987273031
1042150079
1121879a84
12121484a7
13896a39a
145852b5d
153a78da4
hex28328bf

42150079 has 6 divisors (see below), whose sum is σ = 43654520. Its totient is φ = 40695816.

The previous prime is 42150047. The next prime is 42150149. The reversal of 42150079 is 97005124.

It is a happy number.

42150079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42150079 - 25 = 42150047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42150029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24219 + ... + 25900.

Almost surely, 242150079 is an apocalyptic number.

42150079 is a deficient number, since it is larger than the sum of its proper divisors (1504441).

42150079 is an equidigital number, since it uses as much as digits as its factorization.

42150079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50177 (or 50148 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 42150079 is about 6492.3092193764. The cubic root of 42150079 is about 348.0162029493.

The spelling of 42150079 in words is "forty-two million, one hundred fifty thousand, seventy-nine".

Divisors: 1 29 841 50119 1453451 42150079