Search a number
-
+
30975463 is a prime number
BaseRepresentation
bin111011000101…
…0010111100111
32011021201100101
41312022113213
530412203323
63023524531
7524200321
oct166122747
964251311
1030975463
1116537362
12a459747
136556c9c
144184611
152abcdad
hex1d8a5e7

30975463 has 2 divisors, whose sum is σ = 30975464. Its totient is φ = 30975462.

The previous prime is 30975449. The next prime is 30975481. The reversal of 30975463 is 36457903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30975463 - 25 = 30975431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30975443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15487731 + 15487732.

It is an arithmetic number, because the mean of its divisors is an integer number (15487732).

Almost surely, 230975463 is an apocalyptic number.

30975463 is a deficient number, since it is larger than the sum of its proper divisors (1).

30975463 is an equidigital number, since it uses as much as digits as its factorization.

30975463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 30975463 is about 5565.5604389855. The cubic root of 30975463 is about 314.0551615803.

The spelling of 30975463 in words is "thirty million, nine hundred seventy-five thousand, four hundred sixty-three".