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404148030 = 235111394207
BaseRepresentation
bin11000000101101…
…100111100111110
31001011110211212120
4120011230330332
51311430214110
6104034143410
713005126066
oct3005547476
91034424776
10404148030
11198149440
12b3421b66
1365964660
143b9643a6
1525732870
hex1816cf3e

404148030 has 64 divisors (see below), whose sum is σ = 1139539968. Its totient is φ = 90437760.

The previous prime is 404148011. The next prime is 404148037. The reversal of 404148030 is 30841404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404148037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42814 + ... + 51393.

It is an arithmetic number, because the mean of its divisors is an integer number (17805312).

Almost surely, 2404148030 is an apocalyptic number.

404148030 is an abundant number, since it is smaller than the sum of its proper divisors (735391938).

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

404148030 is a wasteful number, since it uses less digits than its factorization.

404148030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94241.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 404148030 is about 20103.4332888688. The cubic root of 404148030 is about 739.3444584067.

Adding to 404148030 its reverse (30841404), we get a palindrome (434989434).

The spelling of 404148030 in words is "four hundred four million, one hundred forty-eight thousand, thirty".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 715 858 1430 2145 4290 94207 188414 282621 471035 565242 942070 1036277 1224691 1413105 2072554 2449382 2826210 3108831 3674073 5181385 6123455 6217662 7348146 10362770 12246910 13471601 15544155 18370365 26943202 31088310 36740730 40414803 67358005 80829606 134716010 202074015 404148030