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100312441 = 148967369
BaseRepresentation
bin1011111101010…
…10010101111001
320222202101210121
411332222111321
5201134444231
613542013241
72325433045
oct576522571
9228671717
10100312441
1151695249
1229717221
1317a22a98
14d473025
158c17311
hex5faa579

100312441 has 4 divisors (see below), whose sum is σ = 100381300. Its totient is φ = 100243584.

The previous prime is 100312423. The next prime is 100312447. The reversal of 100312441 is 144213001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 93702400 = 2571^2 + 9680^2 .

It is a cyclic number.

It is not a de Polignac number, because 100312441 - 29 = 100311929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100312447) 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 3 ways as a sum of consecutive naturals, for example, 32196 + ... + 35173.

It is an arithmetic number, because the mean of its divisors is an integer number (25095325).

Almost surely, 2100312441 is an apocalyptic number.

It is an amenable number.

100312441 is a deficient number, since it is larger than the sum of its proper divisors (68859).

100312441 is an equidigital number, since it uses as much as digits as its factorization.

100312441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68858.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100312441 is about 10015.6098666032. The cubic root of 100312441 is about 464.6417883311.

Adding to 100312441 its reverse (144213001), we get a palindrome (244525442).

The spelling of 100312441 in words is "one hundred million, three hundred twelve thousand, four hundred forty-one".

Divisors: 1 1489 67369 100312441