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404214100 = 225217475059
BaseRepresentation
bin11000000101111…
…101000101010100
31001011121012111121
4120011331011110
51311434322400
6104035413324
713005522523
oct3005750524
91034535447
10404214100
11198194044
12b3454244
1365988754
143b9804ba
152574721a
hex1817d154

404214100 has 72 divisors (see below), whose sum is σ = 948689280. Its totient is φ = 148907520.

The previous prime is 404214073. The next prime is 404214119. The reversal of 404214100 is 1412404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77371 + ... + 82429.

It is an arithmetic number, because the mean of its divisors is an integer number (13176240).

Almost surely, 2404214100 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 404214100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474344640).

404214100 is an abundant number, since it is smaller than the sum of its proper divisors (544475180).

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

404214100 is a wasteful number, since it uses less digits than its factorization.

404214100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 404214100 is about 20105.0764733686. The cubic root of 404214100 is about 739.3847454823.

Adding to 404214100 its reverse (1412404), we get a palindrome (405626504).

It can be divided in two parts, 40421 and 4100, that added together give a square (44521 = 2112).

The spelling of 404214100 in words is "four hundred four million, two hundred fourteen thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 47 50 68 85 94 100 170 188 235 340 425 470 799 850 940 1175 1598 1700 2350 3196 3995 4700 5059 7990 10118 15980 19975 20236 25295 39950 50590 79900 86003 101180 126475 172006 237773 252950 344012 430015 475546 505900 860030 951092 1188865 1720060 2150075 2377730 4042141 4300150 4755460 5944325 8084282 8600300 11888650 16168564 20210705 23777300 40421410 80842820 101053525 202107050 404214100