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552374820 = 223253068749
BaseRepresentation
bin100000111011001…
…001001000100100
31102111101112210200
4200323021020210
52112401443240
6130451150500
716455052134
oct4073111044
91374345720
10552374820
1126388a418
12134ba5430
138a59240a
145350aac4
1533761930
hex20ec9224

552374820 has 36 divisors (see below), whose sum is σ = 1675537500. Its totient is φ = 147299904.

The previous prime is 552374819. The next prime is 552374839. The reversal of 552374820 is 28473255.

It can be written as a sum of positive squares in 2 ways, for example, as 310323456 + 242051364 = 17616^2 + 15558^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 1534195 + ... + 1534554.

Almost surely, 2552374820 is an apocalyptic number.

It is an amenable number.

552374820 is an abundant number, since it is smaller than the sum of its proper divisors (1123162680).

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

552374820 is a wasteful number, since it uses less digits than its factorization.

552374820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068764 (or 3068759 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 552374820 is about 23502.6555946344. The cubic root of 552374820 is about 820.4988140937.

The spelling of 552374820 in words is "five hundred fifty-two million, three hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 3068749 6137498 9206247 12274996 15343745 18412494 27618741 30687490 36824988 46031235 55237482 61374980 92062470 110474964 138093705 184124940 276187410 552374820