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2146449485 = 53895931861
BaseRepresentation
bin111111111110000…
…0011100001001101
312112120220221011002
41333330003201031
513343442340420
6552553510045
7104122343135
oct17774034115
95476827132
102146449485
11a016842a4
124baa12325
1328290216b
141650dbac5
15c8690075
hex7ff0384d

2146449485 has 16 divisors (see below), whose sum is σ = 2588105520. Its totient is φ = 1708938240.

The previous prime is 2146449469. The next prime is 2146449499. The reversal of 2146449485 is 5849446412.

It can be written as a sum of positive squares in 8 ways, for example, as 545409316 + 1601040169 = 23354^2 + 40013^2 .

It is not a de Polignac number, because 2146449485 - 24 = 2146449469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152455 + ... + 1154315.

It is an arithmetic number, because the mean of its divisors is an integer number (161756595).

Almost surely, 22146449485 is an apocalyptic number.

It is an amenable number.

2146449485 is a deficient number, since it is larger than the sum of its proper divisors (441656035).

2146449485 is a wasteful number, since it uses less digits than its factorization.

2146449485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848.

The product of its digits is 1105920, while the sum is 47.

The square root of 2146449485 is about 46329.7904700636. The cubic root of 2146449485 is about 1289.9520213312.

The spelling of 2146449485 in words is "two billion, one hundred forty-six million, four hundred forty-nine thousand, four hundred eighty-five".

Divisors: 1 5 389 593 1861 1945 2965 9305 230677 723929 1103573 1153385 3619645 5517865 429289897 2146449485