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30242101 = 90733343
BaseRepresentation
bin111001101011…
…1010100110101
32002220110100211
41303113110311
530220221401
63000105421
7515024251
oct163272465
962813324
1030242101
111608637a
12a165271
13635b246
144033261
1529c5951
hex1cd7535

30242101 has 4 divisors (see below), whose sum is σ = 30276352. Its totient is φ = 30207852.

The previous prime is 30242089. The next prime is 30242119. The reversal of 30242101 is 10124203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30242101 - 27 = 30241973 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 (30242131) 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, 15765 + ... + 17578.

It is an arithmetic number, because the mean of its divisors is an integer number (7569088).

Almost surely, 230242101 is an apocalyptic number.

It is an amenable number.

30242101 is a deficient number, since it is larger than the sum of its proper divisors (34251).

30242101 is an equidigital number, since it uses as much as digits as its factorization.

30242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34250.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30242101 is about 5499.2818622071. The cubic root of 30242101 is about 311.5568611755.

Adding to 30242101 its reverse (10124203), we get a palindrome (40366304).

The spelling of 30242101 in words is "thirty million, two hundred forty-two thousand, one hundred one".

Divisors: 1 907 33343 30242101