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415145121 = 32914873209
BaseRepresentation
bin11000101111101…
…001110010100001
31001221011120001020
4120233221302201
51322234120441
6105110000053
713200450426
oct3057516241
91057146036
10415145121
111a337a746
12b7046029
1368015001
143d1c7d4d
15266a5e66
hex18be9ca1

415145121 has 16 divisors (see below), whose sum is σ = 573177600. Its totient is φ = 266956928.

The previous prime is 415145119. The next prime is 415145161. The reversal of 415145121 is 121541514.

It is a cyclic number.

It is not a de Polignac number, because 415145121 - 21 = 415145119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 415145091 and 415145100.

It is not an unprimeable number, because it can be changed into a prime (415145111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127765 + ... + 130973.

It is an arithmetic number, because the mean of its divisors is an integer number (35823600).

Almost surely, 2415145121 is an apocalyptic number.

It is an amenable number.

415145121 is a deficient number, since it is larger than the sum of its proper divisors (158032479).

415145121 is a wasteful number, since it uses less digits than its factorization.

415145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728.

The product of its digits is 800, while the sum is 24.

The square root of 415145121 is about 20375.1103309896. The cubic root of 415145121 is about 745.9905272560.

Adding to 415145121 its reverse (121541514), we get a palindrome (536686635).

The spelling of 415145121 in words is "four hundred fifteen million, one hundred forty-five thousand, one hundred twenty-one".

Divisors: 1 3 29 87 1487 3209 4461 9627 43123 93061 129369 279183 4771783 14315349 138381707 415145121