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30553529 = 1072831009
BaseRepresentation
bin111010010001…
…1010110111001
32010111021120012
41310203112321
530310203104
63010511305
7520462226
oct164432671
963437505
1030553529
1116279356
12a295535
136439c16
1440b494d
152a37d6e
hex1d235b9

30553529 has 8 divisors (see below), whose sum is σ = 30978720. Its totient is φ = 30131136.

The previous prime is 30553513. The next prime is 30553543. The reversal of 30553529 is 92535503.

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

It is a cyclic number.

It is not a de Polignac number, because 30553529 - 24 = 30553513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30553495 and 30553504.

It is not an unprimeable number, because it can be changed into a prime (30553129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29777 + ... + 30785.

It is an arithmetic number, because the mean of its divisors is an integer number (3872340).

Almost surely, 230553529 is an apocalyptic number.

It is an amenable number.

30553529 is a deficient number, since it is larger than the sum of its proper divisors (425191).

30553529 is a wasteful number, since it uses less digits than its factorization.

30553529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 30553529 is about 5527.5246720390. The cubic root of 30553529 is about 312.6226641649.

The spelling of 30553529 in words is "thirty million, five hundred fifty-three thousand, five hundred twenty-nine".

Divisors: 1 107 283 1009 30281 107963 285547 30553529