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1049932109 is a prime number
BaseRepresentation
bin111110100101001…
…011000101001101
32201011122002002102
4332211023011031
54122240311414
6252103404445
735006163362
oct7645130515
92634562072
101049932109
11499728596
12253753725
131396a0705
149d628469
1562295ede
hex3e94b14d

1049932109 has 2 divisors, whose sum is σ = 1049932110. Its totient is φ = 1049932108.

The previous prime is 1049932097. The next prime is 1049932111. The reversal of 1049932109 is 9012399401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925498084 + 124434025 = 30422^2 + 11155^2 .

It is an emirp because it is prime and its reverse (9012399401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1049932109 - 212 = 1049928013 is a prime.

It is a super-2 number, since 2×10499321092 = 2204714867018375762, which contains 22 as substring.

Together with 1049932111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049932139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524966054 + 524966055.

It is an arithmetic number, because the mean of its divisors is an integer number (524966055).

Almost surely, 21049932109 is an apocalyptic number.

It is an amenable number.

1049932109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049932109 is an equidigital number, since it uses as much as digits as its factorization.

1049932109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1049932109 is about 32402.6558942319. The cubic root of 1049932109 is about 1016.3744502586.

The spelling of 1049932109 in words is "one billion, forty-nine million, nine hundred thirty-two thousand, one hundred nine".