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30245073 = 367150473
BaseRepresentation
bin111001101100…
…0000011010001
32002220121102220
41303120003101
530220320243
63000131253
7515036025
oct163300321
962817386
1030245073
1116088631
12a166b29
13635c6c1
144034385
1529c6783
hex1cd80d1

30245073 has 8 divisors (see below), whose sum is σ = 40928928. Its totient is φ = 19862304.

The previous prime is 30245027. The next prime is 30245087. The reversal of 30245073 is 37054203.

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

It is not a de Polignac number, because 30245073 - 217 = 30114001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30245273) 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, 75036 + ... + 75437.

It is an arithmetic number, because the mean of its divisors is an integer number (5116116).

Almost surely, 230245073 is an apocalyptic number.

It is an amenable number.

30245073 is a deficient number, since it is larger than the sum of its proper divisors (10683855).

30245073 is a wasteful number, since it uses less digits than its factorization.

30245073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150543.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30245073 is about 5499.5520726692. The cubic root of 30245073 is about 311.5670667789.

Adding to 30245073 its reverse (37054203), we get a palindrome (67299276).

The spelling of 30245073 in words is "thirty million, two hundred forty-five thousand, seventy-three".

Divisors: 1 3 67 201 150473 451419 10081691 30245073