Search a number
-
+
2731403481 = 31753556931
BaseRepresentation
bin1010001011001101…
…1110100011011001
321001100121200011220
42202303132203121
521043214402411
61131011242253
7124454355312
oct24263364331
97040550156
102731403481
111181895954
126428a9389
13346b604a1
141bca89609
1510ebd9b06
hexa2cde8d9

2731403481 has 8 divisors (see below), whose sum is σ = 3856099104. Its totient is φ = 1713821760.

The previous prime is 2731403431. The next prime is 2731403489. The reversal of 2731403481 is 1843041372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2731403481 - 218 = 2731141337 is a prime.

It is a super-2 number, since 2×27314034812 = 14921129952037834722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2731403489) 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 7 ways as a sum of consecutive naturals, for example, 26778415 + ... + 26778516.

It is an arithmetic number, because the mean of its divisors is an integer number (482012388).

Almost surely, 22731403481 is an apocalyptic number.

It is an amenable number.

2731403481 is a deficient number, since it is larger than the sum of its proper divisors (1124695623).

2731403481 is a wasteful number, since it uses less digits than its factorization.

2731403481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53556951.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2731403481 is about 52262.8307786710. The cubic root of 2731403481 is about 1397.8544484068.

The spelling of 2731403481 in words is "two billion, seven hundred thirty-one million, four hundred three thousand, four hundred eighty-one".

Divisors: 1 3 17 51 53556931 160670793 910467827 2731403481