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235133161 = 1674633041
BaseRepresentation
bin11100000001111…
…01100011101001
3121101110000001121
432000331203221
5440143230121
635155415241
75553412264
oct1600754351
9541400047
10235133161
111107aa02a
12668b4521
1339938863
1423329cdb
1515999141
hexe03d8e9

235133161 has 8 divisors (see below), whose sum is σ = 237129984. Its totient is φ = 233143680.

The previous prime is 235133149. The next prime is 235133179. The reversal of 235133161 is 161331532.

235133161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 235133161 - 221 = 233036009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235133191) 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, 75801 + ... + 78841.

It is an arithmetic number, because the mean of its divisors is an integer number (29641248).

Almost surely, 2235133161 is an apocalyptic number.

It is an amenable number.

235133161 is a deficient number, since it is larger than the sum of its proper divisors (1996823).

235133161 is a wasteful number, since it uses less digits than its factorization.

235133161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671.

The product of its digits is 1620, while the sum is 25.

The square root of 235133161 is about 15334.0523345918. The cubic root of 235133161 is about 617.2171157515.

Adding to 235133161 its reverse (161331532), we get a palindrome (396464693).

The spelling of 235133161 in words is "two hundred thirty-five million, one hundred thirty-three thousand, one hundred sixty-one".

Divisors: 1 167 463 3041 77321 507847 1407983 235133161