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415031242 = 2207515621
BaseRepresentation
bin11000101111001…
…101111111001010
31001220221202211111
4120233031333022
51322221444432
6105103320534
713166464423
oct3057157712
91056852744
10415031242
111a330212a
12b6bb014a
1367ca5222
143d19864a
1526682347
hex18bcdfca

415031242 has 4 divisors (see below), whose sum is σ = 622546866. Its totient is φ = 207515620.

The previous prime is 415031237. The next prime is 415031249. The reversal of 415031242 is 242130514.

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

It can be written as a sum of positive squares in only one way, i.e., 374848321 + 40182921 = 19361^2 + 6339^2 .

It is not an unprimeable number, because it can be changed into a prime (415031249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103757809 + ... + 103757812.

Almost surely, 2415031242 is an apocalyptic number.

415031242 is a deficient number, since it is larger than the sum of its proper divisors (207515624).

415031242 is a wasteful number, since it uses less digits than its factorization.

415031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207515623.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 415031242 is about 20372.3155777639. The cubic root of 415031242 is about 745.9223098063.

Adding to 415031242 its reverse (242130514), we get a palindrome (657161756).

The spelling of 415031242 in words is "four hundred fifteen million, thirty-one thousand, two hundred forty-two".

Divisors: 1 2 207515621 415031242