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2145255498 = 232472535763
BaseRepresentation
bin111111111011110…
…0000000001001010
312112111200021022100
41333313200001022
513343141133443
6552512134230
7104106241131
oct17767400112
95474607270
102145255498
11a00a39231
124ba537376
132825a4869
14164caa918
15c85063d3
hex7fde004a

2145255498 has 24 divisors (see below), whose sum is σ = 4746950208. Its totient is φ = 699870312.

The previous prime is 2145255493. The next prime is 2145255499. The reversal of 2145255498 is 8945525412.

2145255498 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 2 + 554 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (2145255491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1267036 + ... + 1268727.

It is an arithmetic number, because the mean of its divisors is an integer number (197789592).

Almost surely, 22145255498 is an apocalyptic number.

2145255498 is an abundant number, since it is smaller than the sum of its proper divisors (2601694710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145255498 is a wasteful number, since it uses less digits than its factorization.

2145255498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535818 (or 2535815 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 2145255498 is about 46316.9029405033. The cubic root of 2145255498 is about 1289.7127934613.

The spelling of 2145255498 in words is "two billion, one hundred forty-five million, two hundred fifty-five thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 2535763 5071526 7607289 15214578 22821867 45643734 119180861 238361722 357542583 715085166 1072627749 2145255498