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46900081 is a prime number
BaseRepresentation
bin1011001011101…
…0001101110001
310021020202211001
42302322031301
544001300311
64353122001
71106433634
oct262721561
9107222731
1046900081
11245237a8
1213859301
139941437
14632bc1b
1541b64c1
hex2cba371

46900081 has 2 divisors, whose sum is σ = 46900082. Its totient is φ = 46900080.

The previous prime is 46900079. The next prime is 46900097. The reversal of 46900081 is 18000964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46457856 + 442225 = 6816^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 46900081 - 21 = 46900079 is a prime.

It is a super-2 number, since 2×469000812 = 4399235195613122, which contains 22 as substring.

Together with 46900079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (46900181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23450040 + 23450041.

It is an arithmetic number, because the mean of its divisors is an integer number (23450041).

Almost surely, 246900081 is an apocalyptic number.

It is an amenable number.

46900081 is a deficient number, since it is larger than the sum of its proper divisors (1).

46900081 is an equidigital number, since it uses as much as digits as its factorization.

46900081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 46900081 is about 6848.3633811298. The cubic root of 46900081 is about 360.6266887756.

The spelling of 46900081 in words is "forty-six million, nine hundred thousand, eighty-one".