Search a number
-
+
2472775 = 5298911
BaseRepresentation
bin1001011011101101000111
311122122000021
421123231013
51113112100
6125000011
730006154
oct11335507
94578007
102472775
111439918
129b3007
136876a6
1448522b
1533ca1a
hex25bb47

2472775 has 6 divisors (see below), whose sum is σ = 3066272. Its totient is φ = 1978200.

The previous prime is 2472737. The next prime is 2472781. The reversal of 2472775 is 5772742.

It is not a de Polignac number, because 2472775 - 215 = 2440007 is a prime.

It is a super-2 number, since 2×24727752 = 12229232401250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2472775.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 49431 + ... + 49480.

22472775 is an apocalyptic number.

2472775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2472775 is a deficient number, since it is larger than the sum of its proper divisors (593497).

2472775 is an equidigital number, since it uses as much as digits as its factorization.

2472775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98921 (or 98916 counting only the distinct ones).

The product of its digits is 27440, while the sum is 34.

The square root of 2472775 is about 1572.5059618329. The cubic root of 2472775 is about 135.2264147530.

The spelling of 2472775 in words is "two million, four hundred seventy-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 98911 494555 2472775