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1420459975 = 52115165309
BaseRepresentation
bin101010010101010…
…0111111111000111
310122222211211202201
41110222213333013
510402114204400
6352541215331
750125465504
oct12452477707
93588754681
101420459975
116698a3670
12337861547
1319839337c
14d691a4ab
1584a8706a
hex54aa7fc7

1420459975 has 12 divisors (see below), whose sum is σ = 1921495320. Its totient is φ = 1033061600.

The previous prime is 1420459951. The next prime is 1420460017. The reversal of 1420459975 is 5799540241.

It is not a de Polignac number, because 1420459975 - 221 = 1418362823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2582380 + ... + 2582929.

It is an arithmetic number, because the mean of its divisors is an integer number (160124610).

Almost surely, 21420459975 is an apocalyptic number.

1420459975 is a deficient number, since it is larger than the sum of its proper divisors (501035345).

1420459975 is a wasteful number, since it uses less digits than its factorization.

1420459975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165330 (or 5165325 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1420459975 is about 37688.9901032118. The cubic root of 1420459975 is about 1124.1122148217.

The spelling of 1420459975 in words is "one billion, four hundred twenty million, four hundred fifty-nine thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 275 5165309 25826545 56818399 129132725 284091995 1420459975