Search a number
-
+
415128775 = 52148311197
BaseRepresentation
bin11000101111100…
…101110011000111
31001221010201121211
4120233211303013
51322233110100
6105105352251
713200351655
oct3057456307
91057121554
10415128775
111a3369436
12b7038687
136800a739
143d1c1dd5
15266a11ba
hex18be5cc7

415128775 has 12 divisors (see below), whose sum is σ = 515152792. Its totient is φ = 331849440.

The previous prime is 415128761. The next prime is 415128793. The reversal of 415128775 is 577821514.

It is not a de Polignac number, because 415128775 - 211 = 415126727 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31477 + ... + 42673.

Almost surely, 2415128775 is an apocalyptic number.

415128775 is a deficient number, since it is larger than the sum of its proper divisors (100024017).

415128775 is a wasteful number, since it uses less digits than its factorization.

415128775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12690 (or 12685 counting only the distinct ones).

The product of its digits is 78400, while the sum is 40.

The square root of 415128775 is about 20374.7092003788. The cubic root of 415128775 is about 745.9807362049.

The spelling of 415128775 in words is "four hundred fifteen million, one hundred twenty-eight thousand, seven hundred seventy-five".

Divisors: 1 5 25 1483 7415 11197 37075 55985 279925 16605151 83025755 415128775