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42073101 = 34774203
BaseRepresentation
bin1010000001111…
…1110000001101
32221011112110000
42200133300031
541232314401
64101434513
71020421050
oct240376015
987145400
1042073101
1121827164
121210ba39
138941335
145832a97
153a61186
hex281fc0d

42073101 has 20 divisors (see below), whose sum is σ = 71829472. Its totient is φ = 24041448.

The previous prime is 42073091. The next prime is 42073117. The reversal of 42073101 is 10137024.

It is not a de Polignac number, because 42073101 - 210 = 42072077 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 (42073121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36535 + ... + 37668.

Almost surely, 242073101 is an apocalyptic number.

It is an amenable number.

42073101 is a deficient number, since it is larger than the sum of its proper divisors (29756371).

42073101 is an equidigital number, since it uses as much as digits as its factorization.

42073101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74222 (or 74213 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 42073101 is about 6486.3781110879. The cubic root of 42073101 is about 347.8042150801.

The spelling of 42073101 in words is "forty-two million, seventy-three thousand, one hundred one".

Divisors: 1 3 7 9 21 27 63 81 189 567 74203 222609 519421 667827 1558263 2003481 4674789 6010443 14024367 42073101