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404102214 = 23234964327
BaseRepresentation
bin11000000101100…
…001110001000110
31001011101112000200
4120011201301012
51311422232324
6104033151330
713004545365
oct3005416106
91034345020
10404102214
11198117a7a
12b33bb546
1365949849
143b9517dc
1525723ec9
hex18161c46

404102214 has 24 divisors (see below), whose sum is σ = 878077200. Its totient is φ = 134312688.

The previous prime is 404102213. The next prime is 404102221. The reversal of 404102214 is 412201404.

404102214 is a `hidden beast` number, since 40 + 410 + 2 + 214 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25882 + ... + 38445.

It is an arithmetic number, because the mean of its divisors is an integer number (36586550).

Almost surely, 2404102214 is an apocalyptic number.

404102214 is an abundant number, since it is smaller than the sum of its proper divisors (473974986).

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

404102214 is a wasteful number, since it uses less digits than its factorization.

404102214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64684 (or 64681 counting only the distinct ones).

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

The square root of 404102214 is about 20102.2937497192. The cubic root of 404102214 is about 739.3165189032.

Adding to 404102214 its reverse (412201404), we get a palindrome (816303618).

It can be divided in two parts, 40410 and 2214, that added together give a palindrome (42624).

The spelling of 404102214 in words is "four hundred four million, one hundred two thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 349 698 1047 2094 3141 6282 64327 128654 192981 385962 578943 1157886 22450123 44900246 67350369 134700738 202051107 404102214