Search a number
-
+
2875077405 = 32563890609
BaseRepresentation
bin1010101101011110…
…0011001100011101
321102100222001202100
42223113203030131
521342004434110
61153142515313
7131150516604
oct25327431435
97370861670
102875077405
1112459a7232
12682a35b39
1336a855b45
141d3ba8a3b
1511c619bc0
hexab5e331d

2875077405 has 12 divisors (see below), whose sum is σ = 4983467580. Its totient is φ = 1533374592.

The previous prime is 2875077389. The next prime is 2875077409. The reversal of 2875077405 is 5047705782.

It can be written as a sum of positive squares in 2 ways, for example, as 311275449 + 2563801956 = 17643^2 + 50634^2 .

It is not a de Polignac number, because 2875077405 - 24 = 2875077389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 63890609 = 2875077405 / (2 + 8 + 7 + 5 + 0 + 7 + 7 + 4 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2875077409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31945260 + ... + 31945349.

It is an arithmetic number, because the mean of its divisors is an integer number (415288965).

Almost surely, 22875077405 is an apocalyptic number.

It is an amenable number.

2875077405 is a deficient number, since it is larger than the sum of its proper divisors (2108390175).

2875077405 is a wasteful number, since it uses less digits than its factorization.

2875077405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63890620 (or 63890617 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 2875077405 is about 53619.7482743065. The cubic root of 2875077405 is about 1421.9462509431.

The spelling of 2875077405 in words is "two billion, eight hundred seventy-five million, seventy-seven thousand, four hundred five".

Divisors: 1 3 5 9 15 45 63890609 191671827 319453045 575015481 958359135 2875077405