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6455902445 = 5359332
BaseRepresentation
bin1100000001100110…
…10100000011101101
3121122220220211020222
412000303110003231
5101210202334240
62544340221125
7315661160006
oct60063240355
917586824228
106455902445
112813209073
12130209a7a5
137bb681225
144535a61ad
1527bb8eeb5
hex180cd40ed

6455902445 has 6 divisors (see below), whose sum is σ = 7747298538. Its totient is φ = 5164578224.

The previous prime is 6455902429. The next prime is 6455902463. The reversal of 6455902445 is 5442095546.

It can be written as a sum of positive squares in 3 ways, for example, as 1708830244 + 4747072201 = 41338^2 + 68899^2 .

It is not a de Polignac number, because 6455902445 - 24 = 6455902429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6455902396 and 6455902405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161699 + ... + 197631.

It is an arithmetic number, because the mean of its divisors is an integer number (1291216423).

Almost surely, 26455902445 is an apocalyptic number.

It is an amenable number.

6455902445 is a deficient number, since it is larger than the sum of its proper divisors (1291396093).

6455902445 is an frugal number, since it uses more digits than its factorization.

6455902445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71871 (or 35938 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The square root of 6455902445 is about 80348.6306354999. The cubic root of 6455902445 is about 1862.0256234929.

The spelling of 6455902445 in words is "six billion, four hundred fifty-five million, nine hundred two thousand, four hundred forty-five".

Divisors: 1 5 35933 179665 1291180489 6455902445