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1530452525 = 52722967643
BaseRepresentation
bin101101100111000…
…1101101000101101
310221122211001011212
41123032031220231
511113243440100
6411510524205
752632426500
oct13316155055
93848731155
101530452525
1171599a6a8
12368666665
131b50c5214
1410738d137
158e562635
hex5b38da2d

1530452525 has 72 divisors (see below), whose sum is σ = 2321413920. Its totient is φ = 996589440.

The previous prime is 1530452491. The next prime is 1530452563. The reversal of 1530452525 is 5252540351.

It is not a de Polignac number, because 1530452525 - 220 = 1529403949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530452491 and 1530452500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2379854 + ... + 2380496.

It is an arithmetic number, because the mean of its divisors is an integer number (32241860).

Almost surely, 21530452525 is an apocalyptic number.

It is an amenable number.

1530452525 is a deficient number, since it is larger than the sum of its proper divisors (790961395).

1530452525 is a wasteful number, since it uses less digits than its factorization.

1530452525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1530452525 is about 39120.9985174203. The cubic root of 1530452525 is about 1152.4089453333.

Adding to 1530452525 its reverse (5252540351), we get a palindrome (6782992876).

The spelling of 1530452525 in words is "one billion, five hundred thirty million, four hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 7 25 29 35 49 67 145 175 203 245 335 469 643 725 1015 1225 1421 1675 1943 2345 3215 3283 4501 5075 7105 9715 11725 13601 16075 16415 18647 22505 31507 35525 43081 48575 68005 82075 93235 95207 112525 130529 157535 215405 301567 340025 466175 476035 652645 787675 913703 1077025 1249349 1507835 2110969 2380175 3263225 4568515 6246745 7539175 8745443 10554845 22842575 31233725 43727215 52774225 61218101 218636075 306090505 1530452525