Search a number
-
+
49916081 is a prime number
BaseRepresentation
bin1011111001101…
…0100010110001
310110220222222202
42332122202301
5100234303311
64541512545
71144164635
oct276324261
9113828882
1049916081
11261a3766
1214872755
13a459157
1468b4dc5
1545aee3b
hex2f9a8b1

49916081 has 2 divisors, whose sum is σ = 49916082. Its totient is φ = 49916080.

The previous prime is 49916023. The next prime is 49916101. The reversal of 49916081 is 18061994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48427681 + 1488400 = 6959^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 49916081 - 26 = 49916017 is a prime.

It is a super-2 number, since 2×499160812 = 4983230284797122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49916011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24958040 + 24958041.

It is an arithmetic number, because the mean of its divisors is an integer number (24958041).

Almost surely, 249916081 is an apocalyptic number.

It is an amenable number.

49916081 is a deficient number, since it is larger than the sum of its proper divisors (1).

49916081 is an equidigital number, since it uses as much as digits as its factorization.

49916081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 49916081 is about 7065.1313505129. The cubic root of 49916081 is about 368.1969276217.

The spelling of 49916081 in words is "forty-nine million, nine hundred sixteen thousand, eighty-one".