Search a number
-
+
555403040 = 25510134369
BaseRepresentation
bin100001000110101…
…100011100100000
31102201002101201222
4201012230130200
52114140344130
6131040114212
716522563563
oct4106543440
91381071658
10555403040
11265568585
12136005968
138b0b286a
1453a984da
1533b5dce5
hex211ac720

555403040 has 48 divisors (see below), whose sum is σ = 1325169720. Its totient is φ = 219955200.

The previous prime is 555403021. The next prime is 555403061. The reversal of 555403040 is 40304555.

It can be written as a sum of positive squares in 4 ways, for example, as 541772176 + 13630864 = 23276^2 + 3692^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 33344.

Almost surely, 2555403040 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 555403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662584860).

555403040 is an abundant number, since it is smaller than the sum of its proper divisors (769766680).

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

555403040 is a wasteful number, since it uses less digits than its factorization.

555403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34485 (or 34477 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 555403040 is about 23566.9904739659. The cubic root of 555403040 is about 821.9954574175.

Adding to 555403040 its reverse (40304555), we get a palindrome (595707595).

The spelling of 555403040 in words is "five hundred fifty-five million, four hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 101 160 202 404 505 808 1010 1616 2020 3232 4040 8080 16160 34369 68738 137476 171845 274952 343690 549904 687380 1099808 1374760 2749520 3471269 5499040 6942538 13885076 17356345 27770152 34712690 55540304 69425380 111080608 138850760 277701520 555403040