Search a number
-
+
100422395 = 520084479
BaseRepresentation
bin1011111110001…
…01001011111011
320222221222121222
411333011023323
5201202004040
613544222255
72326401443
oct577051373
9228858558
10100422395
115175a917
122976a98b
1317a60b48
14d4a1123
158c39bb5
hex5fc52fb

100422395 has 4 divisors (see below), whose sum is σ = 120506880. Its totient is φ = 80337912.

The previous prime is 100422367. The next prime is 100422397. The reversal of 100422395 is 593224001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593224001 = 4313795907.

It is a cyclic number.

It is not a de Polignac number, because 100422395 - 28 = 100422139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100422397) 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, 10042235 + ... + 10042244.

It is an arithmetic number, because the mean of its divisors is an integer number (30126720).

Almost surely, 2100422395 is an apocalyptic number.

100422395 is a deficient number, since it is larger than the sum of its proper divisors (20084485).

100422395 is an equidigital number, since it uses as much as digits as its factorization.

100422395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084484.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 100422395 is about 10021.0974947857. The cubic root of 100422395 is about 464.8114933298.

Adding to 100422395 its reverse (593224001), we get a palindrome (693646396).

The spelling of 100422395 in words is "one hundred million, four hundred twenty-two thousand, three hundred ninety-five".

Divisors: 1 5 20084479 100422395