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30314121 = 366115287
BaseRepresentation
bin111001110100…
…0111010001001
32010001010011020
41303220322021
530230022441
63001423053
7515444235
oct163507211
963033136
1030314121
11161254a2
12a19aa89
136384c66
1440515c5
1529dbe66
hex1ce8e89

30314121 has 8 divisors (see below), whose sum is σ = 40482624. Its totient is φ = 20177520.

The previous prime is 30314113. The next prime is 30314189. The reversal of 30314121 is 12141303.

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

It is not a de Polignac number, because 30314121 - 23 = 30314113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30314121.

It is not an unprimeable number, because it can be changed into a prime (30314191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5661 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (5060328).

Almost surely, 230314121 is an apocalyptic number.

It is an amenable number.

30314121 is a deficient number, since it is larger than the sum of its proper divisors (10168503).

30314121 is a wasteful number, since it uses less digits than its factorization.

30314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15951.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30314121 is about 5505.8260960550. The cubic root of 30314121 is about 311.8039839616.

Adding to 30314121 its reverse (12141303), we get a palindrome (42455424).

The spelling of 30314121 in words is "thirty million, three hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 661 1983 15287 45861 10104707 30314121