Search a number
-
+
361133897 = 2912452893
BaseRepresentation
bin10101100001100…
…111011101001001
3221011112111120112
4111201213131021
51214422241042
655500204105
711643405335
oct2541473511
9834474515
10361133897
1117593a273
12a0b39635
1359a83bc7
1435d687c5
1521a87982
hex15867749

361133897 has 4 divisors (see below), whose sum is σ = 373586820. Its totient is φ = 348680976.

The previous prime is 361133887. The next prime is 361133933. The reversal of 361133897 is 798331163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262310416 + 98823481 = 16196^2 + 9941^2 .

It is a cyclic number.

It is not a de Polignac number, because 361133897 - 214 = 361117513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361133807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226418 + ... + 6226475.

It is an arithmetic number, because the mean of its divisors is an integer number (93396705).

Almost surely, 2361133897 is an apocalyptic number.

It is an amenable number.

361133897 is a deficient number, since it is larger than the sum of its proper divisors (12452923).

361133897 is a wasteful number, since it uses less digits than its factorization.

361133897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452922.

The product of its digits is 81648, while the sum is 41.

The square root of 361133897 is about 19003.5232785923. The cubic root of 361133897 is about 712.1247578643.

The spelling of 361133897 in words is "three hundred sixty-one million, one hundred thirty-three thousand, eight hundred ninety-seven".

Divisors: 1 29 12452893 361133897