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480203921 is a prime number
BaseRepresentation
bin11100100111110…
…101010010010001
31020110120212221102
4130213311102101
51440413011141
6115352234145
714620444301
oct3447652221
91213525842
10480203921
1122707634a
1211499b955
1378643742
1447ac1601
152c25799b
hex1c9f5491

480203921 has 2 divisors, whose sum is σ = 480203922. Its totient is φ = 480203920.

The previous prime is 480203897. The next prime is 480203951. The reversal of 480203921 is 129302084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276856321 + 203347600 = 16639^2 + 14260^2 .

It is a cyclic number.

It is not a de Polignac number, because 480203921 - 210 = 480202897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (480203951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240101960 + 240101961.

It is an arithmetic number, because the mean of its divisors is an integer number (240101961).

Almost surely, 2480203921 is an apocalyptic number.

It is an amenable number.

480203921 is a deficient number, since it is larger than the sum of its proper divisors (1).

480203921 is an equidigital number, since it uses as much as digits as its factorization.

480203921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 480203921 is about 21913.5556448514. Note that the first 3 decimals coincide. The cubic root of 480203921 is about 783.0843908308.

The spelling of 480203921 in words is "four hundred eighty million, two hundred three thousand, nine hundred twenty-one".