Search a number
-
+
5405140237 = 7772162891
BaseRepresentation
bin1010000100010101…
…11110010100001101
3111221200201120111011
411002022332110031
542032203441422
62252202525221
7250641635230
oct50212762415
914850646434
105405140237
112324073952
12106a206811
13681a7ca43
14393c03417
152197d3077
hex1422be50d

5405140237 has 4 divisors (see below), whose sum is σ = 6177303136. Its totient is φ = 4632977340.

The previous prime is 5405140229. The next prime is 5405140267. The reversal of 5405140237 is 7320415045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5405140237 - 23 = 5405140229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5405140199 and 5405140208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405140217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386081439 + ... + 386081452.

It is an arithmetic number, because the mean of its divisors is an integer number (1544325784).

Almost surely, 25405140237 is an apocalyptic number.

It is an amenable number.

5405140237 is a deficient number, since it is larger than the sum of its proper divisors (772162899).

5405140237 is an equidigital number, since it uses as much as digits as its factorization.

5405140237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772162898.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5405140237 is about 73519.6588471410. The cubic root of 5405140237 is about 1754.9671383960.

The spelling of 5405140237 in words is "five billion, four hundred five million, one hundred forty thousand, two hundred thirty-seven".

Divisors: 1 7 772162891 5405140237