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1230525065 = 57113196169
BaseRepresentation
bin100100101011000…
…0101001010001001
310011202110011001102
41021112011022021
510010003300230
6322034231145
742331201430
oct11126051211
93152404042
101230525065
11581665770
122a41254b5
13167c21453
14b95d8117
157306a045
hex49585289

1230525065 has 16 divisors (see below), whose sum is σ = 1840993920. Its totient is φ = 767080320.

The previous prime is 1230525031. The next prime is 1230525073. The reversal of 1230525065 is 5605250321.

It is a happy number.

It is not a de Polignac number, because 1230525065 - 210 = 1230524041 is a prime.

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, 1597700 + ... + 1598469.

It is an arithmetic number, because the mean of its divisors is an integer number (115062120).

Almost surely, 21230525065 is an apocalyptic number.

It is an amenable number.

1230525065 is a deficient number, since it is larger than the sum of its proper divisors (610468855).

1230525065 is a wasteful number, since it uses less digits than its factorization.

1230525065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196192.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1230525065 is about 35078.8407020529. The cubic root of 1230525065 is about 1071.5937077065.

Adding to 1230525065 its reverse (5605250321), we get a palindrome (6835775386).

The spelling of 1230525065 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, sixty-five".

Divisors: 1 5 7 11 35 55 77 385 3196169 15980845 22373183 35157859 111865915 175789295 246105013 1230525065