Search a number
-
+
100323091 = 1139722973
BaseRepresentation
bin1011111101011…
…00111100010011
320222202221102001
411332230330103
5201140314331
613542134431
72325506101
oct576547423
9228687361
10100323091
11516a2250
1229721417
1317a2789b
14d476c71
158c1a561
hex5facf13

100323091 has 8 divisors (see below), whose sum is σ = 109723824. Its totient is φ = 90969120.

The previous prime is 100323089. The next prime is 100323107. The reversal of 100323091 is 190323001.

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

It is not a de Polignac number, because 100323091 - 21 = 100323089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100323031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 15853.

It is an arithmetic number, because the mean of its divisors is an integer number (13715478).

Almost surely, 2100323091 is an apocalyptic number.

100323091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100323091 is a deficient number, since it is larger than the sum of its proper divisors (9400733).

100323091 is a wasteful number, since it uses less digits than its factorization.

100323091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381.

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

The square root of 100323091 is about 10016.1415225625. The cubic root of 100323091 is about 464.6582311568.

Adding to 100323091 its reverse (190323001), we get a palindrome (290646092).

The spelling of 100323091 in words is "one hundred million, three hundred twenty-three thousand, ninety-one".

Divisors: 1 11 397 4367 22973 252703 9120281 100323091