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49291189 is a prime number
BaseRepresentation
bin1011110000000…
…1111110110101
310102202020210121
42330001332311
5100104304224
64520251541
71135653043
oct274017665
9112666717
1049291189
1125907222
1214610bb1
13a29a8ac
146791393
1544d9be4
hex2f01fb5

49291189 has 2 divisors, whose sum is σ = 49291190. Its totient is φ = 49291188.

The previous prime is 49291183. The next prime is 49291243. The reversal of 49291189 is 98119294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49238289 + 52900 = 7017^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 49291189 - 29 = 49290677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49291183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24645594 + 24645595.

It is an arithmetic number, because the mean of its divisors is an integer number (24645595).

Almost surely, 249291189 is an apocalyptic number.

It is an amenable number.

49291189 is a deficient number, since it is larger than the sum of its proper divisors (1).

49291189 is an equidigital number, since it uses as much as digits as its factorization.

49291189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 49291189 is about 7020.7684052388. The cubic root of 49291189 is about 366.6540035112.

The spelling of 49291189 in words is "forty-nine million, two hundred ninety-one thousand, one hundred eighty-nine".