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1530442125 = 32531399787
BaseRepresentation
bin101101100111000…
…1011000110001101
310221122210111220200
41123032023012031
511113243122000
6411510404113
752632354252
oct13316130615
93848714820
101530442125
11715992903
12368660639
131b50c0574
14107389429
158e55e500
hex5b38b18d

1530442125 has 48 divisors (see below), whose sum is σ = 2779008960. Its totient is φ = 810280800.

The previous prime is 1530442099. The next prime is 1530442169. The reversal of 1530442125 is 5212440351.

1530442125 is a `hidden beast` number, since 1 + 530 + 4 + 4 + 2 + 125 = 666.

1530442125 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1530442125 - 29 = 1530441613 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 151482 + ... + 161268.

It is an arithmetic number, because the mean of its divisors is an integer number (57896020).

Almost surely, 21530442125 is an apocalyptic number.

1530442125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530442125 is a deficient number, since it is larger than the sum of its proper divisors (1248566835).

1530442125 is a wasteful number, since it uses less digits than its factorization.

1530442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947 (or 9934 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1530442125 is about 39120.8655962518. The cubic root of 1530442125 is about 1152.4063349768.

Adding to 1530442125 its reverse (5212440351), we get a palindrome (6742882476).

The spelling of 1530442125 in words is "one billion, five hundred thirty million, four hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 139 225 375 417 695 1125 1251 2085 3475 6255 9787 10425 17375 29361 31275 48935 52125 88083 146805 156375 244675 440415 734025 1223375 1360393 2202075 3670125 4081179 6801965 11010375 12243537 20405895 34009825 61217685 102029475 170049125 306088425 510147375 1530442125