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404420802 = 23411643987
BaseRepresentation
bin11000000110101…
…111100011000010
31001011222201001020
4120012233203002
51312012431202
6104044050310
713010343252
oct3006574302
91034881036
10404420802
11198315375
12b3533996
1365a2b866
143b9d5962
15257885bc
hex181af8c2

404420802 has 16 divisors (see below), whose sum is σ = 828569952. Its totient is φ = 131518880.

The previous prime is 404420801. The next prime is 404420813. The reversal of 404420802 is 208024404.

It is not an unprimeable number, because it can be changed into a prime (404420801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821748 + ... + 822239.

It is an arithmetic number, because the mean of its divisors is an integer number (51785622).

Almost surely, 2404420802 is an apocalyptic number.

404420802 is an abundant number, since it is smaller than the sum of its proper divisors (424149150).

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

404420802 is a wasteful number, since it uses less digits than its factorization.

404420802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644033.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 404420802 is about 20110.2163588560. The cubic root of 404420802 is about 739.5107564765.

The spelling of 404420802 in words is "four hundred four million, four hundred twenty thousand, eight hundred two".

Divisors: 1 2 3 6 41 82 123 246 1643987 3287974 4931961 9863922 67403467 134806934 202210401 404420802