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415400131 = 2111968721
BaseRepresentation
bin11000110000101…
…000000011000011
31001221122111212001
4120300220003003
51322320301011
6105115244431
713202562046
oct3060500303
91057574761
10415400131
111a35342a3
12b7149717
13680a40c3
143d252c5d
15267067c1
hex18c280c3

415400131 has 4 divisors (see below), whose sum is σ = 417369064. Its totient is φ = 413431200.

The previous prime is 415400129. The next prime is 415400137. The reversal of 415400131 is 131004514.

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

It is a cyclic number.

It is not a de Polignac number, because 415400131 - 21 = 415400129 is a prime.

It is a super-2 number, since 2×4154001312 = 345114537669634322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415400099 and 415400108.

It is not an unprimeable number, because it can be changed into a prime (415400137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984150 + ... + 984571.

It is an arithmetic number, because the mean of its divisors is an integer number (104342266).

Almost surely, 2415400131 is an apocalyptic number.

415400131 is a deficient number, since it is larger than the sum of its proper divisors (1968933).

415400131 is a wasteful number, since it uses less digits than its factorization.

415400131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968932.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 415400131 is about 20381.3672505060. The cubic root of 415400131 is about 746.1432418099.

Adding to 415400131 its reverse (131004514), we get a palindrome (546404645).

The spelling of 415400131 in words is "four hundred fifteen million, four hundred thousand, one hundred thirty-one".

Divisors: 1 211 1968721 415400131