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42415101 = 324712789
BaseRepresentation
bin1010000111001…
…1001111111101
32221210220120200
42201303033331
541324240401
64113034113
71023344121
oct241631775
987726520
1042415101
1121a40103
1212255939
138a30bc1
1458c1581
153acc686
hex28733fd

42415101 has 6 divisors (see below), whose sum is σ = 61266270. Its totient is φ = 28276728.

The previous prime is 42415067. The next prime is 42415111. The reversal of 42415101 is 10151424.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 152100 = 6501^2 + 390^2 .

It is not a de Polignac number, because 42415101 - 210 = 42414077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42415111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2356386 + ... + 2356403.

It is an arithmetic number, because the mean of its divisors is an integer number (10211045).

Almost surely, 242415101 is an apocalyptic number.

It is an amenable number.

42415101 is a deficient number, since it is larger than the sum of its proper divisors (18851169).

42415101 is a wasteful number, since it uses less digits than its factorization.

42415101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712795 (or 4712792 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 42415101 is about 6512.6876940323. The cubic root of 42415101 is about 348.7440728171.

Adding to 42415101 its reverse (10151424), we get a palindrome (52566525).

The spelling of 42415101 in words is "forty-two million, four hundred fifteen thousand, one hundred one".

Divisors: 1 3 9 4712789 14138367 42415101