Search a number
-
+
552631040 = 2851333211
BaseRepresentation
bin100000111100000…
…111101100000000
31102111212120021022
4200330013230000
52112433143130
6130500445012
716460200133
oct4074075400
91374776238
10552631040
11263a44975
121350a9768
138a651c20
145357621a
15337b27e5
hex20f07b00

552631040 has 72 divisors (see below), whose sum is σ = 1425591888. Its totient is φ = 204042240.

The previous prime is 552631039. The next prime is 552631043. The reversal of 552631040 is 40136255.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552631043) 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 7 ways as a sum of consecutive naturals, for example, 35 + ... + 33245.

Almost surely, 2552631040 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 552631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712795944).

552631040 is an abundant number, since it is smaller than the sum of its proper divisors (872960848).

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

552631040 is a wasteful number, since it uses less digits than its factorization.

552631040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33245 (or 33231 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 552631040 is about 23508.1058360728. The cubic root of 552631040 is about 820.6256577404.

Adding to 552631040 its reverse (40136255), we get a palindrome (592767295).

The spelling of 552631040 in words is "five hundred fifty-two million, six hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 520 640 832 1040 1280 1664 2080 3328 4160 8320 16640 33211 66422 132844 166055 265688 332110 431743 531376 664220 863486 1062752 1328440 1726972 2125504 2158715 2656880 3453944 4251008 4317430 5313760 6907888 8502016 8634860 10627520 13815776 17269720 21255040 27631552 34539440 42510080 55263104 69078880 110526208 138157760 276315520 552631040