Search a number
-
+
100120393 = 972274547
BaseRepresentation
bin1011111011110…
…11011101001001
320222101122100201
411331323131021
5201112323033
613533532201
72324003122
oct575733511
9228348321
10100120393
1151573a2a
1229644061
1317986549
14d423049
158bca47d
hex5f7b749

100120393 has 8 divisors (see below), whose sum is σ = 101620512. Its totient is φ = 98630016.

The previous prime is 100120379. The next prime is 100120411. The reversal of 100120393 is 393021001.

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

It is a cyclic number.

It is not a de Polignac number, because 100120393 - 29 = 100119881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100120393.

It is not an unprimeable number, because it can be changed into a prime (100120343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19746 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (12702564).

Almost surely, 2100120393 is an apocalyptic number.

It is an amenable number.

100120393 is a deficient number, since it is larger than the sum of its proper divisors (1500119).

100120393 is an equidigital number, since it uses as much as digits as its factorization.

100120393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 100120393 is about 10006.0178392805. The cubic root of 100120393 is about 464.3450802601.

Adding to 100120393 its reverse (393021001), we get a palindrome (493141394).

The spelling of 100120393 in words is "one hundred million, one hundred twenty thousand, three hundred ninety-three".

Divisors: 1 97 227 4547 22019 441059 1032169 100120393