Search a number
-
+
100297121 = 313787443
BaseRepresentation
bin1011111101001…
…10100110100001
320222201121210012
411332212212201
5201134001441
613541414305
72325340301
oct576464641
9228647705
10100297121
1151684791
122970a395
1317a18b12
14d46b601
158c129eb
hex5fa69a1

100297121 has 8 divisors (see below), whose sum is σ = 106331904. Its totient is φ = 94437360.

The previous prime is 100297097. The next prime is 100297129. The reversal of 100297121 is 121792001.

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 100297121 - 214 = 100280737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100297129) 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, 42575 + ... + 44868.

It is an arithmetic number, because the mean of its divisors is an integer number (13291488).

Almost surely, 2100297121 is an apocalyptic number.

It is an amenable number.

100297121 is a deficient number, since it is larger than the sum of its proper divisors (6034783).

100297121 is an equidigital number, since it uses as much as digits as its factorization.

100297121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87511.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 100297121 is about 10014.8450312524. The cubic root of 100297121 is about 464.6181333237.

The spelling of 100297121 in words is "one hundred million, two hundred ninety-seven thousand, one hundred twenty-one".

Divisors: 1 31 37 1147 87443 2710733 3235391 100297121