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404114220 = 223254315209
BaseRepresentation
bin11000000101100…
…100101100101100
31001011102010111100
4120011210230230
51311423123340
6104033323100
713004625366
oct3005445454
91034363440
10404114220
11198125aa4
12b3406490
1365952153
143b955d36
1525727830
hex18164b2c

404114220 has 72 divisors (see below), whose sum is σ = 1228893120. Its totient is φ = 107493120.

The previous prime is 404114219. The next prime is 404114237. The reversal of 404114220 is 22411404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404114193 and 404114202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74976 + ... + 80184.

It is an arithmetic number, because the mean of its divisors is an integer number (17067960).

Almost surely, 2404114220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404114220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614446560).

404114220 is an abundant number, since it is smaller than the sum of its proper divisors (824778900).

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

404114220 is a wasteful number, since it uses less digits than its factorization.

404114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 404114220 is about 20102.5923701397. The cubic root of 404114220 is about 739.3238406038.

Adding to 404114220 its reverse (22411404), we get a palindrome (426525624).

The spelling of 404114220 in words is "four hundred four million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 431 862 1293 1724 2155 2586 3879 4310 5172 5209 6465 7758 8620 10418 12930 15516 15627 19395 20836 25860 26045 31254 38790 46881 52090 62508 77580 78135 93762 104180 156270 187524 234405 312540 468810 937620 2245079 4490158 6735237 8980316 11225395 13470474 20205711 22450790 26940948 33676185 40411422 44901580 67352370 80822844 101028555 134704740 202057110 404114220