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404920608 = 2534217923
BaseRepresentation
bin11000001000101…
…001100100100000
31001012221002122120
4120020221210200
51312124424413
6104102504240
713014524361
oct3010514440
91035832576
10404920608
11198626934
12b3735080
1365b751c1
143bac5b68
1525836723
hex18229920

404920608 has 24 divisors (see below), whose sum is σ = 1062916848. Its totient is φ = 134973504.

The previous prime is 404920601. The next prime is 404920627. The reversal of 404920608 is 806029404.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (404920601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108866 + ... + 2109057.

It is an arithmetic number, because the mean of its divisors is an integer number (44288202).

Almost surely, 2404920608 is an apocalyptic number.

404920608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

404920608 is an abundant number, since it is smaller than the sum of its proper divisors (657996240).

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

404920608 is a wasteful number, since it uses less digits than its factorization.

404920608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217936 (or 4217928 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 404920608 is about 20122.6391907225. The cubic root of 404920608 is about 739.8152740758.

The spelling of 404920608 in words is "four hundred four million, nine hundred twenty thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 4217923 8435846 12653769 16871692 25307538 33743384 50615076 67486768 101230152 134973536 202460304 404920608