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530252550 = 232523731847
BaseRepresentation
bin11111100110110…
…000001100000110
31100221202121202100
4133212300030012
52041221040200
6124341052530
716066033542
oct3746601406
91327677670
10530252550
1125234a653
121296b7146
1385b18009
14505cca22
1531841d00
hex1f9b0306

530252550 has 72 divisors (see below), whose sum is σ = 1463160816. Its totient is φ = 137574720.

The previous prime is 530252533. The next prime is 530252561. The reversal of 530252550 is 55252035.

530252550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 727 + ... + 32573.

It is an arithmetic number, because the mean of its divisors is an integer number (20321678).

Almost surely, 2530252550 is an apocalyptic number.

530252550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 530252550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731580408).

530252550 is an abundant number, since it is smaller than the sum of its proper divisors (932908266).

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

530252550 is a wasteful number, since it uses less digits than its factorization.

530252550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31902 (or 31894 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 530252550 is about 23027.2132486760. The cubic root of 530252550 is about 809.3957542021.

The spelling of 530252550 in words is "five hundred thirty million, two hundred fifty-two thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 37 45 50 74 75 90 111 150 185 222 225 333 370 450 555 666 925 1110 1665 1850 2775 3330 5550 8325 16650 31847 63694 95541 159235 191082 286623 318470 477705 573246 796175 955410 1178339 1433115 1592350 2356678 2388525 2866230 3535017 4777050 5891695 7070034 7165575 10605051 11783390 14331150 17675085 21210102 29458475 35350170 53025255 58916950 88375425 106050510 176750850 265126275 530252550