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30604201 = 31397777
BaseRepresentation
bin111010010111…
…1101110101001
32010120212001221
41310233232221
530313313301
63011542041
7521063035
oct164575651
963525057
1030604201
1116303431
12a2ba921
136456cc4
1440c91c5
152a47da1
hex1d2fba9

30604201 has 4 divisors (see below), whose sum is σ = 30702292. Its totient is φ = 30506112.

The previous prime is 30604187. The next prime is 30604213. The reversal of 30604201 is 10240603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10240603 = 28793557.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 27878400 = 1651^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 30604201 - 211 = 30602153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30604241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48576 + ... + 49201.

It is an arithmetic number, because the mean of its divisors is an integer number (7675573).

Almost surely, 230604201 is an apocalyptic number.

It is an amenable number.

30604201 is a deficient number, since it is larger than the sum of its proper divisors (98091).

30604201 is an equidigital number, since it uses as much as digits as its factorization.

30604201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98090.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30604201 is about 5532.1063800328. The cubic root of 30604201 is about 312.7953934354.

Adding to 30604201 its reverse (10240603), we get a palindrome (40844804).

The spelling of 30604201 in words is "thirty million, six hundred four thousand, two hundred one".

Divisors: 1 313 97777 30604201