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407008404 = 2232111027799
BaseRepresentation
bin11000010000100…
…111010010010100
31001100212011120100
4120100213102110
51313143232104
6104215334100
713041341265
oct3020472224
91040764510
10407008404
11199822490
12b4381330
136642659a
143c0aa96c
1525aea139
hex18427494

407008404 has 36 divisors (see below), whose sum is σ = 1122357600. Its totient is φ = 123335760.

The previous prime is 407008397. The next prime is 407008421. The reversal of 407008404 is 404800704.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513504 + ... + 514295.

It is an arithmetic number, because the mean of its divisors is an integer number (31176600).

Almost surely, 2407008404 is an apocalyptic number.

407008404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

407008404 is an abundant number, since it is smaller than the sum of its proper divisors (715349196).

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

407008404 is a wasteful number, since it uses less digits than its factorization.

407008404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027820 (or 1027815 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 407008404 is about 20174.4492861639. The cubic root of 407008404 is about 741.0846062704.

The spelling of 407008404 in words is "four hundred seven million, eight thousand, four hundred four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 1027799 2055598 3083397 4111196 6166794 9250191 11305789 12333588 18500382 22611578 33917367 37000764 45223156 67834734 101752101 135669468 203504202 407008404