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1530030155 = 51576772879
BaseRepresentation
bin101101100110010…
…0110100001001011
310221122000120210112
41123030212201023
511113141431110
6411453504535
752626020213
oct13314464113
93848016715
101530030155
11715731335
123684a214b
131b4ca7bb4
141072bd243
158e4cc405
hex5b32684b

1530030155 has 16 divisors (see below), whose sum is σ = 1851102720. Its totient is φ = 1214009472.

The previous prime is 1530030137. The next prime is 1530030197. The reversal of 1530030155 is 5510300351.

It is a cyclic number.

It is not a de Polignac number, because 1530030155 - 28 = 1530029899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1530030155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530006 + ... + 532884.

It is an arithmetic number, because the mean of its divisors is an integer number (115693920).

Almost surely, 21530030155 is an apocalyptic number.

1530030155 is a deficient number, since it is larger than the sum of its proper divisors (321072565).

1530030155 is a wasteful number, since it uses less digits than its factorization.

1530030155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1530030155 is about 39115.5998931373. The cubic root of 1530030155 is about 1152.3029227155.

The spelling of 1530030155 in words is "one billion, five hundred thirty million, thirty thousand, one hundred fifty-five".

Divisors: 1 5 157 677 785 2879 3385 14395 106289 452003 531445 1949083 2260015 9745415 306006031 1530030155