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553452640 = 25513266083
BaseRepresentation
bin100000111111010…
…000010001100000
31102120102022021221
4200333100101200
52113140441030
6130530224424
716500161356
oct4077202140
91376368257
10553452640
11264456184
12135425114
138a87bb90
145370b7d6
15338c5e7a
hex20fd0460

553452640 has 48 divisors (see below), whose sum is σ = 1408116528. Its totient is φ = 204350976.

The previous prime is 553452637. The next prime is 553452649. The reversal of 553452640 is 46254355.

It is a junction number, because it is equal to n+sod(n) for n = 553452596 and 553452605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553452649) 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, 130962 + ... + 135121.

It is an arithmetic number, because the mean of its divisors is an integer number (29335761).

Almost surely, 2553452640 is an apocalyptic number.

It is an amenable number.

553452640 is an abundant number, since it is smaller than the sum of its proper divisors (854663888).

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

553452640 is a wasteful number, since it uses less digits than its factorization.

553452640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266111 (or 266103 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 553452640 is about 23525.5741694013. The cubic root of 553452640 is about 821.0321327916.

The spelling of 553452640 in words is "five hundred fifty-three million, four hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 266083 532166 1064332 1330415 2128664 2660830 3459079 4257328 5321660 6918158 8514656 10643320 13836316 17295395 21286640 27672632 34590790 42573280 55345264 69181580 110690528 138363160 276726320 553452640