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231202106 = 2941312281
BaseRepresentation
bin11011100011111…
…01110100111010
3121010001021122222
431301331310322
5433141431411
634535244042
75505120422
oct1561756472
9533037588
10231202106
11109564623
1265519622
1338b904a5
14229c5482
151546e4db
hexdc7dd3a

231202106 has 8 divisors (see below), whose sum is σ = 346868244. Its totient is φ = 115579360.

The previous prime is 231202093. The next prime is 231202121. The reversal of 231202106 is 601202132.

It can be written as a sum of positive squares in 2 ways, for example, as 161061481 + 70140625 = 12691^2 + 8375^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12686 + ... + 24966.

Almost surely, 2231202106 is an apocalyptic number.

231202106 is a deficient number, since it is larger than the sum of its proper divisors (115666138).

231202106 is a wasteful number, since it uses less digits than its factorization.

231202106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21696.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231202106 is about 15205.3314991815. The cubic root of 231202106 is about 613.7581355948.

Adding to 231202106 its reverse (601202132), we get a palindrome (832404238).

The spelling of 231202106 in words is "two hundred thirty-one million, two hundred two thousand, one hundred six".

Divisors: 1 2 9413 12281 18826 24562 115601053 231202106