Search a number
-
+
1369146225 = 35218255283
BaseRepresentation
bin101000110011011…
…1000001101110001
310112102021211112110
41101212320031301
510301000134400
6343505315533
745633356646
oct12146701561
93472254473
101369146225
11642935907
12322635ba9
1318a867cc5
14cdb9ddcd
15802ece50
hex519b8371

1369146225 has 12 divisors (see below), whose sum is σ = 2263655216. Its totient is φ = 730211280.

The previous prime is 1369146223. The next prime is 1369146227. The reversal of 1369146225 is 5226419631.

It is an interprime number because it is at equal distance from previous prime (1369146223) and next prime (1369146227).

It is not a de Polignac number, because 1369146225 - 21 = 1369146223 is a prime.

It is a super-2 number, since 2×13691462252 = 3749122770863501250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1369146223) 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, 9127567 + ... + 9127716.

Almost surely, 21369146225 is an apocalyptic number.

1369146225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1369146225 is a deficient number, since it is larger than the sum of its proper divisors (894508991).

1369146225 is a wasteful number, since it uses less digits than its factorization.

1369146225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255296 (or 18255291 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 1369146225 is about 37001.9759607511. The cubic root of 1369146225 is about 1110.4097789037.

The spelling of 1369146225 in words is "one billion, three hundred sixty-nine million, one hundred forty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 18255283 54765849 91276415 273829245 456382075 1369146225