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30160265 = 511353381
BaseRepresentation
bin111001100001…
…1010110001001
32002202022002212
41303003112021
530210112030
62554234505
7514233542
oct163032611
962668085
1030160265
111602a943
12a125a35
13632cc15
1440114c9
1529ab595
hex1cc3589

30160265 has 8 divisors (see below), whose sum is σ = 36513288. Its totient is φ = 23914240.

The previous prime is 30160259. The next prime is 30160271. The reversal of 30160265 is 56206103.

It is an interprime number because it is at equal distance from previous prime (30160259) and next prime (30160271).

It can be written as a sum of positive squares in 4 ways, for example, as 1301881 + 28858384 = 1141^2 + 5372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30160265 - 214 = 30143881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30160265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26126 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (4564161).

Almost surely, 230160265 is an apocalyptic number.

It is an amenable number.

30160265 is a deficient number, since it is larger than the sum of its proper divisors (6353023).

30160265 is a wasteful number, since it uses less digits than its factorization.

30160265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53499.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30160265 is about 5491.8362138724. The cubic root of 30160265 is about 311.2755800119.

Adding to 30160265 its reverse (56206103), we get a palindrome (86366368).

The spelling of 30160265 in words is "thirty million, one hundred sixty thousand, two hundred sixty-five".

Divisors: 1 5 113 565 53381 266905 6032053 30160265