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1220300407 is a prime number
BaseRepresentation
bin100100010111100…
…0100111001110111
310011001012200110101
41020233010321313
54444344103112
6321031134531
742145245064
oct11057047167
93131180411
101220300407
11576911837
122a0814447
13165a81561
14b80d5c6b
15721ea757
hex48bc4e77

1220300407 has 2 divisors, whose sum is σ = 1220300408. Its totient is φ = 1220300406.

The previous prime is 1220300387. The next prime is 1220300491. The reversal of 1220300407 is 7040030221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220300407 - 215 = 1220267639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227300407) 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, 610150203 + 610150204.

It is an arithmetic number, because the mean of its divisors is an integer number (610150204).

Almost surely, 21220300407 is an apocalyptic number.

1220300407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220300407 is an equidigital number, since it uses as much as digits as its factorization.

1220300407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1220300407 is about 34932.7984421518. The cubic root of 1220300407 is about 1068.6174261783.

Adding to 1220300407 its reverse (7040030221), we get a palindrome (8260330628).

The spelling of 1220300407 in words is "one billion, two hundred twenty million, three hundred thousand, four hundred seven".