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30242401 = 72328167
BaseRepresentation
bin111001101011…
…1011001100001
32002220110202221
41303113121201
530220224101
63000111041
7515025160
oct163273141
962813687
1030242401
1116086622
12a165481
13635b417
1440333d7
1529c5aa1
hex1cd7661

30242401 has 12 divisors (see below), whose sum is σ = 36135232. Its totient is φ = 24791976.

The previous prime is 30242363. The next prime is 30242413. The reversal of 30242401 is 10424203.

It is not a de Polignac number, because 30242401 - 213 = 30234209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30242491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381 + ... + 7786.

Almost surely, 230242401 is an apocalyptic number.

It is an amenable number.

30242401 is a deficient number, since it is larger than the sum of its proper divisors (5892831).

30242401 is an equidigital number, since it uses as much as digits as its factorization.

30242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30242401 is about 5499.3091384282. The cubic root of 30242401 is about 311.5578913812.

Adding to 30242401 its reverse (10424203), we get a palindrome (40666604).

The spelling of 30242401 in words is "thirty million, two hundred forty-two thousand, four hundred one".

Divisors: 1 7 23 161 529 3703 8167 57169 187841 1314887 4320343 30242401