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1415497949 is a prime number
BaseRepresentation
bin101010001011110…
…1100100011011101
310122122111202010222
41110113230203131
510344331413244
6352243011125
750035351115
oct12427544335
93578452128
101415497949
11667014618
12336069aa5
13197346968
14d5dc8045
1584406bee
hex545ec8dd

1415497949 has 2 divisors, whose sum is σ = 1415497950. Its totient is φ = 1415497948.

The previous prime is 1415497933. The next prime is 1415497957. The reversal of 1415497949 is 9497945141.

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., 802588900 + 612909049 = 28330^2 + 24757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415497949 - 24 = 1415497933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1415497949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415497249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707748974 + 707748975.

It is an arithmetic number, because the mean of its divisors is an integer number (707748975).

Almost surely, 21415497949 is an apocalyptic number.

It is an amenable number.

1415497949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415497949 is an equidigital number, since it uses as much as digits as its factorization.

1415497949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 1415497949 is about 37623.1039256465. The cubic root of 1415497949 is about 1122.8017516046.

The spelling of 1415497949 in words is "one billion, four hundred fifteen million, four hundred ninety-seven thousand, nine hundred forty-nine".