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561834030 = 235127239617
BaseRepresentation
bin100001011111001…
…110100000101110
31110011012010101210
4201133032200232
52122312142110
6131430015250
716631340042
oct4137164056
91404163353
10561834030
1126916024a
121381a7526
138c524a94
1454890022
15344ce520
hex217ce82e

561834030 has 64 divisors (see below), whose sum is σ = 1366917120. Its totient is φ = 147780864.

The previous prime is 561833989. The next prime is 561834043. The reversal of 561834030 is 30438165.

561834030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910282 + ... + 910898.

It is an arithmetic number, because the mean of its divisors is an integer number (21358080).

Almost surely, 2561834030 is an apocalyptic number.

561834030 is an abundant number, since it is smaller than the sum of its proper divisors (805083090).

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

561834030 is a wasteful number, since it uses less digits than its factorization.

561834030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 561834030 is about 23703.0384128280. The cubic root of 561834030 is about 825.1559080921.

The spelling of 561834030 in words is "five hundred sixty-one million, eight hundred thirty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 127 239 254 381 478 617 635 717 762 1195 1234 1270 1434 1851 1905 2390 3085 3585 3702 3810 6170 7170 9255 18510 30353 60706 78359 91059 147463 151765 156718 182118 235077 294926 303530 391795 442389 455295 470154 737315 783590 884778 910590 1175385 1474630 2211945 2350770 4423890 18727801 37455602 56183403 93639005 112366806 187278010 280917015 561834030