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4308949 is a prime number
BaseRepresentation
bin10000011011111111010101
322002220202201
4100123333111
52100341244
6232204501
751424351
oct20337725
98086681
104308949
112483417
121539731
13b7b398
14802461
155a1ad4
hex41bfd5

4308949 has 2 divisors, whose sum is σ = 4308950. Its totient is φ = 4308948.

The previous prime is 4308943. The next prime is 4308961. The reversal of 4308949 is 9498034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4028049 + 280900 = 2007^2 + 530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4308949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4308943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154474 + 2154475.

It is an arithmetic number, because the mean of its divisors is an integer number (2154475).

Almost surely, 24308949 is an apocalyptic number.

It is an amenable number.

4308949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4308949 is an equidigital number, since it uses as much as digits as its factorization.

4308949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4308949 is about 2075.8008093264. The cubic root of 4308949 is about 162.7260632736.

The spelling of 4308949 in words is "four million, three hundred eight thousand, nine hundred forty-nine".