Search a number
-
+
10300897 = 31332287
BaseRepresentation
bin100111010010…
…110111100001
3201101100011201
4213102313201
510114112042
61004441201
7153361525
oct47226741
921340151
1010300897
1158a6242
123549201
132198809
141521d85
15d871b7
hex9d2de1

10300897 has 4 divisors (see below), whose sum is σ = 10633216. Its totient is φ = 9968580.

The previous prime is 10300883. The next prime is 10300903. The reversal of 10300897 is 79800301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79800301 = 711400043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10300897 is a prime.

It is a super-2 number, since 2×103008972 = 212216958009218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10300867) 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, 166113 + ... + 166174.

It is an arithmetic number, because the mean of its divisors is an integer number (2658304).

Almost surely, 210300897 is an apocalyptic number.

It is an amenable number.

10300897 is a deficient number, since it is larger than the sum of its proper divisors (332319).

10300897 is an equidigital number, since it uses as much as digits as its factorization.

10300897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332318.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10300897 is about 3209.5010515655. The cubic root of 10300897 is about 217.5830272702.

The spelling of 10300897 in words is "ten million, three hundred thousand, eight hundred ninety-seven".

Divisors: 1 31 332287 10300897