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552072056 = 231931117163
BaseRepresentation
bin100000111001111…
…111001101111000
31102110211011111012
4200321333031320
52112312301211
6130440453052
716452351344
oct4071771570
91373734435
10552072056
112636a29a8
12134a7a188
138a4b7673
145346c624
1533701d8b
hex20e7f378

552072056 has 32 divisors (see below), whose sum is σ = 1124774400. Its totient is φ = 253069920.

The previous prime is 552072049. The next prime is 552072083. The reversal of 552072056 is 650270255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53870 + ... + 63293.

It is an arithmetic number, because the mean of its divisors is an integer number (35149200).

Almost surely, 2552072056 is an apocalyptic number.

It is an amenable number.

552072056 is an abundant number, since it is smaller than the sum of its proper divisors (572702344).

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

552072056 is a wasteful number, since it uses less digits than its factorization.

552072056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117219 (or 117215 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 552072056 is about 23496.2136524164. The cubic root of 552072056 is about 820.3488779182.

The spelling of 552072056 in words is "five hundred fifty-two million, seventy-two thousand, fifty-six".

Divisors: 1 2 4 8 19 31 38 62 76 124 152 248 589 1178 2356 4712 117163 234326 468652 937304 2226097 3632053 4452194 7264106 8904388 14528212 17808776 29056424 69009007 138018014 276036028 552072056