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404352066 = 2397694763
BaseRepresentation
bin11000000110011…
…110110001000010
31001011212012202110
4120012132301002
51312003231231
6104042400150
713006635666
oct3006366102
91034765673
10404352066
11198278768
12b3500056
1365a064a1
143b9b88a6
1525773046
hex1819ec42

404352066 has 16 divisors (see below), whose sum is σ = 817042464. Its totient is φ = 133394304.

The previous prime is 404352049. The next prime is 404352073. The reversal of 404352066 is 660253404.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346800 + ... + 347963.

It is an arithmetic number, because the mean of its divisors is an integer number (51065154).

Almost surely, 2404352066 is an apocalyptic number.

404352066 is an abundant number, since it is smaller than the sum of its proper divisors (412690398).

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

404352066 is a wasteful number, since it uses less digits than its factorization.

404352066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694865.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 404352066 is about 20108.5073041238. The cubic root of 404352066 is about 739.4688579629.

The spelling of 404352066 in words is "four hundred four million, three hundred fifty-two thousand, sixty-six".

Divisors: 1 2 3 6 97 194 291 582 694763 1389526 2084289 4168578 67392011 134784022 202176033 404352066