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415297121 = 1492787229
BaseRepresentation
bin11000110000001…
…110111001100001
31001221110021112212
4120300032321201
51322304001441
6105113131505
713201652531
oct3060167141
91057407485
10415297121
111a3473968
12b70b9b95
1368069255
143d2274c1
15266d5eeb
hex18c0ee61

415297121 has 4 divisors (see below), whose sum is σ = 418084500. Its totient is φ = 412509744.

The previous prime is 415297109. The next prime is 415297151. The reversal of 415297121 is 121792514.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32547025 + 382750096 = 5705^2 + 19564^2 .

It is a cyclic number.

It is not a de Polignac number, because 415297121 - 210 = 415296097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415297151) 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 3 ways as a sum of consecutive naturals, for example, 1393466 + ... + 1393763.

It is an arithmetic number, because the mean of its divisors is an integer number (104521125).

Almost surely, 2415297121 is an apocalyptic number.

It is an amenable number.

415297121 is a deficient number, since it is larger than the sum of its proper divisors (2787379).

415297121 is a wasteful number, since it uses less digits than its factorization.

415297121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787378.

The product of its digits is 5040, while the sum is 32.

The square root of 415297121 is about 20378.8400307770. The cubic root of 415297121 is about 746.0815610643.

The spelling of 415297121 in words is "four hundred fifteen million, two hundred ninety-seven thousand, one hundred twenty-one".

Divisors: 1 149 2787229 415297121