Search a number
-
+
2472045031 = 2664192791
BaseRepresentation
bin1001001101011000…
…0110100111100111
320101021120220021101
42103112012213213
520030320420111
61045144300531
7115155015241
oct22326064747
96337526241
102472045031
111059450025
1258ba71747
133051c2251
14196455091
15e7057bc1
hex935869e7

2472045031 has 4 divisors (see below), whose sum is σ = 2472164464. Its totient is φ = 2471925600.

The previous prime is 2472045019. The next prime is 2472045047. The reversal of 2472045031 is 1305402742.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2472045031 - 225 = 2438490599 is a prime.

It is a super-2 number, since 2×24720450312 = 12222013270583581922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472045001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19755 + ... + 73036.

It is an arithmetic number, because the mean of its divisors is an integer number (618041116).

Almost surely, 22472045031 is an apocalyptic number.

2472045031 is a deficient number, since it is larger than the sum of its proper divisors (119433).

2472045031 is an equidigital number, since it uses as much as digits as its factorization.

2472045031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119432.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2472045031 is about 49719.6644296801. The cubic root of 2472045031 is about 1352.1310705810.

Adding to 2472045031 its reverse (1305402742), we get a palindrome (3777447773).

It can be divided in two parts, 24720 and 45031, that added together give a triangular number (69751 = T373).

The spelling of 2472045031 in words is "two billion, four hundred seventy-two million, forty-five thousand, thirty-one".

Divisors: 1 26641 92791 2472045031