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1428586061 = 7459144453
BaseRepresentation
bin101010100100110…
…0111111001001101
310200120010200122212
41111021213321031
510411204223221
6353431320205
750254531640
oct12511477115
93616120585
101428586061
11673443941
1233a520065
13199c79cc6
14d7a33a57
158563eb5b
hex55267e4d

1428586061 has 8 divisors (see below), whose sum is σ = 1633062144. Its totient is φ = 1224208080.

The previous prime is 1428586013. The next prime is 1428586067. The reversal of 1428586061 is 1606858241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1428586061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428586067) 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 in 7 ways as a sum of consecutive naturals, for example, 9911 + ... + 54363.

It is an arithmetic number, because the mean of its divisors is an integer number (204132768).

Almost surely, 21428586061 is an apocalyptic number.

It is an amenable number.

1428586061 is a deficient number, since it is larger than the sum of its proper divisors (204476083).

1428586061 is an equidigital number, since it uses as much as digits as its factorization.

1428586061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49051.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1428586061 is about 37796.6408692624. The cubic root of 1428586061 is about 1126.2517257035.

The spelling of 1428586061 in words is "one billion, four hundred twenty-eight million, five hundred eighty-six thousand, sixty-one".

Divisors: 1 7 4591 32137 44453 311171 204083723 1428586061