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420756483 = 3722862289
BaseRepresentation
bin11001000101000…
…011110000000011
31002022201122101110
4121011003300003
51330203201413
6105430134403
713266241200
oct3105036003
91068648343
10420756483
111a6562634
12b8ab1403
136922b144
143dc48ca7
1526e138c3
hex19143c03

420756483 has 12 divisors (see below), whose sum is σ = 652602120. Its totient is φ = 240432192.

The previous prime is 420756403. The next prime is 420756491. The reversal of 420756483 is 384657024.

It is a happy number.

It is not a de Polignac number, because 420756483 - 210 = 420755459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420756403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1430998 + ... + 1431291.

It is an arithmetic number, because the mean of its divisors is an integer number (54383510).

Almost surely, 2420756483 is an apocalyptic number.

420756483 is a deficient number, since it is larger than the sum of its proper divisors (231845637).

420756483 is a wasteful number, since it uses less digits than its factorization.

420756483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862306 (or 2862299 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 420756483 is about 20512.3495241281. The cubic root of 420756483 is about 749.3365884643.

The spelling of 420756483 in words is "four hundred twenty million, seven hundred fifty-six thousand, four hundred eighty-three".

Divisors: 1 3 7 21 49 147 2862289 8586867 20036023 60108069 140252161 420756483