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404341420 = 225712132381
BaseRepresentation
bin11000000110011…
…100001010101100
31001011211200011011
4120012130022230
51312002411140
6104042235004
713006562650
oct3006341254
91034750134
10404341420
1119827076a
12b34b5a64
1365a016a2
143b9b4a60
152576ecea
hex1819c2ac

404341420 has 48 divisors (see below), whose sum is σ = 971627328. Its totient is φ = 138458880.

The previous prime is 404341417. The next prime is 404341429. The reversal of 404341420 is 24143404.

It is a junction number, because it is equal to n+sod(n) for n = 404341391 and 404341400.

It is not an unprimeable number, because it can be changed into a prime (404341429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168630 + ... + 171010.

It is an arithmetic number, because the mean of its divisors is an integer number (20242236).

Almost surely, 2404341420 is an apocalyptic number.

It is an amenable number.

404341420 is an abundant number, since it is smaller than the sum of its proper divisors (567285908).

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

404341420 is a wasteful number, since it uses less digits than its factorization.

404341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404341420 is about 20108.2425885506. The cubic root of 404341420 is about 739.4623681939.

Adding to 404341420 its reverse (24143404), we get a palindrome (428484824).

The spelling of 404341420 in words is "four hundred four million, three hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1213 2381 2426 4762 4852 6065 8491 9524 11905 12130 16667 16982 23810 24260 33334 33964 42455 47620 66668 83335 84910 166670 169820 333340 2888153 5776306 11552612 14440765 20217071 28881530 40434142 57763060 80868284 101085355 202170710 404341420