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551241404 = 22719687193
BaseRepresentation
bin100000110110110…
…100011010111100
31102102020222001022
4200312310122330
52112104211104
6130411003312
716442321540
oct4066643274
91372228038
10551241404
1126318590a
12134739538
138a28655c
14532d3a20
15335dabbe
hex20db46bc

551241404 has 12 divisors (see below), whose sum is σ = 1102482864. Its totient is φ = 236246304.

The previous prime is 551241377. The next prime is 551241413. The reversal of 551241404 is 404142155.

551241404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

551241404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9843569 + ... + 9843624.

It is an arithmetic number, because the mean of its divisors is an integer number (91873572).

Almost surely, 2551241404 is an apocalyptic number.

It is an amenable number.

551241404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551241404 is a wasteful number, since it uses less digits than its factorization.

551241404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19687204 (or 19687202 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 551241404 is about 23478.5307036024. The cubic root of 551241404 is about 819.9372369174.

Adding to 551241404 its reverse (404142155), we get a palindrome (955383559).

The spelling of 551241404 in words is "five hundred fifty-one million, two hundred forty-one thousand, four hundred four".

Divisors: 1 2 4 7 14 28 19687193 39374386 78748772 137810351 275620702 551241404