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100313197 = 263381419
BaseRepresentation
bin1011111101010…
…10100001101101
320222202102211121
411332222201231
5201140010242
613542020541
72325435205
oct576524155
9228672747
10100313197
1151695876
1229717751
1317a2322a
14d473405
158c17667
hex5faa86d

100313197 has 4 divisors (see below), whose sum is σ = 100694880. Its totient is φ = 99931516.

The previous prime is 100313149. The next prime is 100313201. The reversal of 100313197 is 791313001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791313001 = 3637217573.

It is a cyclic number.

It is not a de Polignac number, because 100313197 - 211 = 100311149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313897) 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, 190447 + ... + 190972.

It is an arithmetic number, because the mean of its divisors is an integer number (25173720).

Almost surely, 2100313197 is an apocalyptic number.

It is an amenable number.

100313197 is a deficient number, since it is larger than the sum of its proper divisors (381683).

100313197 is an equidigital number, since it uses as much as digits as its factorization.

100313197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381682.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 100313197 is about 10015.6476076188. The cubic root of 100313197 is about 464.6429555785.

Adding to 100313197 its reverse (791313001), we get a palindrome (891626198).

The spelling of 100313197 in words is "one hundred million, three hundred thirteen thousand, one hundred ninety-seven".

Divisors: 1 263 381419 100313197