Search a number
-
+
975431746 = 21728689169
BaseRepresentation
bin111010001000111…
…110100001000010
32111222110001210201
4322020332201002
53444202303441
6240442515414
733113014222
oct7210764102
92458401721
10975431746
11460673343
12232805b6a
13127117663
1493794082
155a97bc31
hex3a23e842

975431746 has 8 divisors (see below), whose sum is σ = 1549215180. Its totient is φ = 459026688.

The previous prime is 975431741. The next prime is 975431753. The reversal of 975431746 is 647134579.

It can be written as a sum of positive squares in 2 ways, for example, as 972504225 + 2927521 = 31185^2 + 1711^2 .

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

It is a super-2 number, since 2×9754317462 = 1902934182209217032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 975431696 and 975431705.

It is not an unprimeable number, because it can be changed into a prime (975431741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14344551 + ... + 14344618.

Almost surely, 2975431746 is an apocalyptic number.

975431746 is a deficient number, since it is larger than the sum of its proper divisors (573783434).

975431746 is a wasteful number, since it uses less digits than its factorization.

975431746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689188.

The product of its digits is 635040, while the sum is 46.

The square root of 975431746 is about 31231.9026958013. The cubic root of 975431746 is about 991.7425847708.

The spelling of 975431746 in words is "nine hundred seventy-five million, four hundred thirty-one thousand, seven hundred forty-six".

Divisors: 1 2 17 34 28689169 57378338 487715873 975431746