Search a number
-
+
2750404386 = 231196938299
BaseRepresentation
bin1010001111101111…
…1101011100100010
321002200101000112010
42203323331130202
521113100420021
61132530413350
7125105023452
oct24373753442
97080330463
102750404386
111191593584
12649131256
1334aa83c22
141c13d3d62
151116de976
hexa3efd722

2750404386 has 16 divisors (see below), whose sum is σ = 5501412000. Its totient is φ = 916700928.

The previous prime is 2750404379. The next prime is 2750404387. The reversal of 2750404386 is 6834040572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2750404387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52665 + ... + 90963.

It is an arithmetic number, because the mean of its divisors is an integer number (343838250).

Almost surely, 22750404386 is an apocalyptic number.

2750404386 is an abundant number, since it is smaller than the sum of its proper divisors (2751007614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2750404386 is a wasteful number, since it uses less digits than its factorization.

2750404386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50273.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 2750404386 is about 52444.2979360006. The cubic root of 2750404386 is about 1401.0883350211.

The spelling of 2750404386 in words is "two billion, seven hundred fifty million, four hundred four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 11969 23938 35907 38299 71814 76598 114897 229794 458400731 916801462 1375202193 2750404386