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1530073125 = 3354712953
BaseRepresentation
bin101101100110011…
…0001000000100101
310221122002202202000
41123030301000211
511113144320000
6411454435513
752626256410
oct13314610045
93848082660
101530073125
11715760649
12368502b99
131b4cc1619
141072d0b77
158e4da000
hex5b331025

1530073125 has 80 divisors (see below), whose sum is σ = 3237463680. Its totient is φ = 699408000.

The previous prime is 1530073123. The next prime is 1530073163. The reversal of 1530073125 is 5213700351.

1530073125 is a `hidden beast` number, since 1 + 530 + 0 + 7 + 3 + 125 = 666.

It is not a de Polignac number, because 1530073125 - 21 = 1530073123 is a prime.

It is a super-2 number, since 2×15300731252 = 4682247535694531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530073123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111649 + ... + 124601.

It is an arithmetic number, because the mean of its divisors is an integer number (40468296).

Almost surely, 21530073125 is an apocalyptic number.

1530073125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530073125 is an abundant number, since it is smaller than the sum of its proper divisors (1707390555).

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

1530073125 is an equidigital number, since it uses as much as digits as its factorization.

1530073125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12968 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1530073125 is about 39116.1491586276. The cubic root of 1530073125 is about 1152.3137098652.

Adding to 1530073125 its reverse (5213700351), we get a palindrome (6743773476).

The spelling of 1530073125 in words is "one billion, five hundred thirty million, seventy-three thousand, one hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 105 125 135 175 189 225 315 375 525 625 675 875 945 1125 1575 1875 2625 3375 4375 4725 5625 7875 12953 13125 16875 23625 38859 39375 64765 90671 116577 118125 194295 272013 323825 349731 453355 582885 816039 971475 1360065 1619125 1748655 2266775 2448117 2914425 4080195 4857375 6800325 8095625 8743275 11333875 12240585 14572125 20400975 24286875 34001625 43716375 56669375 61202925 72860625 102004875 170008125 218581875 306014625 510024375 1530073125