Search a number
-
+
2102452369 = 37341316649
BaseRepresentation
bin111110101010000…
…1110000010010001
312102112010122110021
41331110032002101
513301211433434
6544342503441
7103046356513
oct17524160221
95375118407
102102452369
11989863646
124a8134b81
13276769174
1415d327bb3
15c489dcb4
hex7d50e091

2102452369 has 8 divisors (see below), whose sum is σ = 2160037800. Its totient is φ = 2044907136.

The previous prime is 2102452357. The next prime is 2102452393. The reversal of 2102452369 is 9632542012.

It can be written as a sum of positive squares in 4 ways, for example, as 1554330625 + 548121744 = 39425^2 + 23412^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102452369 - 25 = 2102452337 is a prime.

It is a super-2 number, since 2×21024523692 = 8840611927827424322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102452069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117957 + ... + 134605.

It is an arithmetic number, because the mean of its divisors is an integer number (270004725).

Almost surely, 22102452369 is an apocalyptic number.

It is an amenable number.

2102452369 is a deficient number, since it is larger than the sum of its proper divisors (57585431).

2102452369 is a wasteful number, since it uses less digits than its factorization.

2102452369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2102452369 is about 45852.5066817508. The cubic root of 2102452369 is about 1281.0774556178.

The spelling of 2102452369 in words is "two billion, one hundred two million, four hundred fifty-two thousand, three hundred sixty-nine".

Divisors: 1 37 3413 16649 126281 616013 56823037 2102452369