Search a number
-
+
236195121 = 3313251539
BaseRepresentation
bin11100001010000…
…00110100110001
3121110102221210110
432011000310301
5440431220441
635234251533
75565424341
oct1605006461
9543387713
10236195121
11111364988
1267126ba9
1339c1b036
1423524d21
1515b08b16
hexe140d31

236195121 has 8 divisors (see below), whose sum is σ = 315934240. Its totient is φ = 156959712.

The previous prime is 236195101. The next prime is 236195131. The reversal of 236195121 is 121591632.

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

It is not a de Polignac number, because 236195121 - 225 = 202640689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236195101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124831 + ... + 126708.

It is an arithmetic number, because the mean of its divisors is an integer number (39491780).

Almost surely, 2236195121 is an apocalyptic number.

It is an amenable number.

236195121 is a deficient number, since it is larger than the sum of its proper divisors (79739119).

236195121 is a wasteful number, since it uses less digits than its factorization.

236195121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251855.

The product of its digits is 3240, while the sum is 30.

The square root of 236195121 is about 15368.6408312511. The cubic root of 236195121 is about 618.1449241711.

The spelling of 236195121 in words is "two hundred thirty-six million, one hundred ninety-five thousand, one hundred twenty-one".

Divisors: 1 3 313 939 251539 754617 78731707 236195121