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201234404 = 22710636761
BaseRepresentation
bin10111111111010…
…01011111100100
3112000122202201002
423333221133210
5403004000104
631545052432
74662315140
oct1377513744
9460582632
10201234404
11a3656428
1257487118
13328ca117
141ca24220
1512a0001e
hexbfe97e4

201234404 has 24 divisors (see below), whose sum is σ = 402907008. Its totient is φ = 86149440.

The previous prime is 201234391. The next prime is 201234419. The reversal of 201234404 is 404432102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26384 + ... + 33144.

It is an arithmetic number, because the mean of its divisors is an integer number (16787792).

Almost surely, 2201234404 is an apocalyptic number.

It is an amenable number.

201234404 is an abundant number, since it is smaller than the sum of its proper divisors (201672604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201234404 is a wasteful number, since it uses less digits than its factorization.

201234404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 201234404 is about 14185.7112616886. The cubic root of 201234404 is about 586.0042205585.

Adding to 201234404 its reverse (404432102), we get a palindrome (605666506).

The spelling of 201234404 in words is "two hundred one million, two hundred thirty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 1063 2126 4252 6761 7441 13522 14882 27044 29764 47327 94654 189308 7186943 14373886 28747772 50308601 100617202 201234404