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3145302889 = 17232992
BaseRepresentation
bin1011101101111001…
…1000001101101001
322010012102221102121
42323132120031221
522420144143024
61240034431241
7140641430161
oct27336301551
98105387377
103145302889
111374494683
12739432521
133b182a491
1421ba2b5a1
151361e68e4
hexbb798369

3145302889 has 9 divisors (see below), whose sum is σ = 3342217207. Its totient is φ = 2959387744.

The previous prime is 3145302871. The next prime is 3145302899. The reversal of 3145302889 is 9882035413.

The square root of 3145302889 is 56083.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2448765225 + 696537664 = 49485^2 + 26392^2 .

It is not a de Polignac number, because 3145302889 - 213 = 3145294697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145302829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 951762 + ... + 955060.

Almost surely, 23145302889 is an apocalyptic number.

3145302889 is the 56083-rd square number.

3145302889 is the 28042-nd centered octagonal number.

It is an amenable number.

3145302889 is a deficient number, since it is larger than the sum of its proper divisors (196914318).

3145302889 is an frugal number, since it uses more digits than its factorization.

3145302889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The cubic root of 3145302889 is about 1465.1682239933.

The spelling of 3145302889 in words is "three billion, one hundred forty-five million, three hundred two thousand, eight hundred eighty-nine".

Divisors: 1 17 289 3299 56083 953411 10883401 185017817 3145302889