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30559421 = 172277919
BaseRepresentation
bin111010010010…
…0110010111101
32010111120122102
41310210302331
530310400141
63010554445
7520515344
oct164446275
963446572
1030559421
1116282822
12a298a25
13643c7c9
1440b6b5b
152a3999b
hex1d24cbd

30559421 has 8 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 28631488.

The previous prime is 30559367. The next prime is 30559423. The reversal of 30559421 is 12495503.

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 30559421 - 210 = 30558397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30559423) 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, 101 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 230559421 is an apocalyptic number.

It is an amenable number.

30559421 is a deficient number, since it is larger than the sum of its proper divisors (1944259).

30559421 is a wasteful number, since it uses less digits than its factorization.

30559421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 30559421 is about 5528.0576154740. The cubic root of 30559421 is about 312.6427584541.

The spelling of 30559421 in words is "thirty million, five hundred fifty-nine thousand, four hundred twenty-one".

Divisors: 1 17 227 3859 7919 134623 1797613 30559421