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30529371 = 3191015303
BaseRepresentation
bin111010001110…
…1011101011011
32010110001102110
41310131131123
530303414441
63010203403
7520331625
oct164353533
963401373
1030529371
1116262194
12a283563
13642bc22
1440a9c15
152a30b16
hex1d1d75b

30529371 has 16 divisors (see below), whose sum is σ = 43280640. Its totient is φ = 19087200.

The previous prime is 30529363. The next prime is 30529391. The reversal of 30529371 is 17392503.

It is not a de Polignac number, because 30529371 - 23 = 30529363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30529321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3106 + ... + 8408.

It is an arithmetic number, because the mean of its divisors is an integer number (2705040).

Almost surely, 230529371 is an apocalyptic number.

30529371 is a deficient number, since it is larger than the sum of its proper divisors (12751269).

30529371 is a wasteful number, since it uses less digits than its factorization.

30529371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 30529371 is about 5525.3389941252. The cubic root of 30529371 is about 312.5402478295.

The spelling of 30529371 in words is "thirty million, five hundred twenty-nine thousand, three hundred seventy-one".

Divisors: 1 3 19 57 101 303 1919 5303 5757 15909 100757 302271 535603 1606809 10176457 30529371