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100393471 is a prime number
BaseRepresentation
bin1011111101111…
…10000111111111
320222220111221201
411332332013333
5201200042341
613543440331
72326221223
oct576760777
9228814851
10100393471
1151740112
12297560a7
1317a50929
14d494783
158c31331
hex5fbe1ff

100393471 has 2 divisors, whose sum is σ = 100393472. Its totient is φ = 100393470.

The previous prime is 100393453. The next prime is 100393481. The reversal of 100393471 is 174393001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100393471 - 25 = 100393439 is a prime.

It is a super-3 number, since 3×1003934713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100393441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50196735 + 50196736.

It is an arithmetic number, because the mean of its divisors is an integer number (50196736).

Almost surely, 2100393471 is an apocalyptic number.

100393471 is a deficient number, since it is larger than the sum of its proper divisors (1).

100393471 is an equidigital number, since it uses as much as digits as its factorization.

100393471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 100393471 is about 10019.6542355512. The cubic root of 100393471 is about 464.7668635153.

The spelling of 100393471 in words is "one hundred million, three hundred ninety-three thousand, four hundred seventy-one".