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404400144030 = 23573039184559
BaseRepresentation
bin1011110001010000010…
…00000111111010011110
31102122211100012211212020
411320220020013322132
523111202414102110
6505440122321010
741134261336161
oct5705010077236
91378740184766
10404400144030
1114656137a773
1266460959166
132c19a121a6c
1415804717ad8
15a7bcd5ed70
hex5e28207e9e

404400144030 has 32 divisors (see below), whose sum is σ = 970578892800. Its totient is φ = 107837977632.

The previous prime is 404400144023. The next prime is 404400144061. The reversal of 404400144030 is 30441004404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2098891 + ... + 2283449.

It is an arithmetic number, because the mean of its divisors is an integer number (30330590400).

Almost surely, 2404400144030 is an apocalyptic number.

404400144030 is an abundant number, since it is smaller than the sum of its proper divisors (566178748770).

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

404400144030 is a wasteful number, since it uses less digits than its factorization.

404400144030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257608.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 404400144030 its reverse (30441004404), we get a palindrome (434841148434).

The spelling of 404400144030 in words is "four hundred four billion, four hundred million, one hundred forty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73039 146078 184559 219117 365195 369118 438234 553677 730390 922795 1095585 1107354 1845590 2191170 2768385 5536770 13480004801 26960009602 40440014403 67400024005 80880028806 134800048010 202200072015 404400144030