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404048925 = 3352785513
BaseRepresentation
bin11000000101010…
…100110000011101
31001011021210221000
4120011110300131
51311414031200
6104032100513
713004234130
oct3005246035
91034253830
10404048925
11198090a35
12b3394739
136592b507
143b93a217
1525713300
hex18154c1d

404048925 has 48 divisors (see below), whose sum is σ = 848298880. Its totient is φ = 184705920.

The previous prime is 404048923. The next prime is 404048951. The reversal of 404048925 is 529840404.

It is not a de Polignac number, because 404048925 - 21 = 404048923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404048925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404048921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38032 + ... + 47481.

Almost surely, 2404048925 is an apocalyptic number.

404048925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404048925 is an abundant number, since it is smaller than the sum of its proper divisors (444249955).

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

404048925 is a wasteful number, since it uses less digits than its factorization.

404048925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85539 (or 85528 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 404048925 is about 20100.9682602605. The cubic root of 404048925 is about 739.2840195598.

The spelling of 404048925 in words is "four hundred four million, forty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 105 135 175 189 225 315 525 675 945 1575 4725 85513 256539 427565 598591 769617 1282695 1795773 2137825 2308851 2992955 3848085 5387319 6413475 8978865 11544255 14964775 16161957 19240425 26936595 44894325 57721275 80809785 134682975 404048925