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102449471 is a prime number
BaseRepresentation
bin1100001101101…
…00000100111111
321010202222020212
412012310010333
5202211340341
614055503035
72352543335
oct606640477
9233688225
10102449471
1152914893
122a387a7b
13182c06b7
14d86bb55
158eda5eb
hex61b413f

102449471 has 2 divisors, whose sum is σ = 102449472. Its totient is φ = 102449470.

The previous prime is 102449461. The next prime is 102449483. The reversal of 102449471 is 174944201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102449471 - 26 = 102449407 is a prime.

It is a super-3 number, since 3×1024494713 (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 (102449461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224735 + 51224736.

It is an arithmetic number, because the mean of its divisors is an integer number (51224736).

Almost surely, 2102449471 is an apocalyptic number.

102449471 is a deficient number, since it is larger than the sum of its proper divisors (1).

102449471 is an equidigital number, since it uses as much as digits as its factorization.

102449471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 102449471 is about 10121.7326086002. The cubic root of 102449471 is about 467.9181666520.

The spelling of 102449471 in words is "one hundred two million, four hundred forty-nine thousand, four hundred seventy-one".