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30656001 = 322944623
BaseRepresentation
bin111010011110…
…0011000000001
32010200111010110
41310330120001
530321443001
63013021533
7521400045
oct164743001
963614113
1030656001
1116339342
12a3248a9
13647475c
144100025
152a583d6
hex1d3c601

30656001 has 8 divisors (see below), whose sum is σ = 41054080. Its totient is φ = 20347632.

The previous prime is 30655997. The next prime is 30656053. The reversal of 30656001 is 10065603.

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

It is not a de Polignac number, because 30656001 - 22 = 30655997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30656081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21625 + ... + 22998.

It is an arithmetic number, because the mean of its divisors is an integer number (5131760).

Almost surely, 230656001 is an apocalyptic number.

It is an amenable number.

30656001 is a deficient number, since it is larger than the sum of its proper divisors (10398079).

30656001 is a wasteful number, since it uses less digits than its factorization.

30656001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44855.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30656001 is about 5536.7861616645. The cubic root of 30656001 is about 312.9717708382.

The spelling of 30656001 in words is "thirty million, six hundred fifty-six thousand, one".

Divisors: 1 3 229 687 44623 133869 10218667 30656001