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30314109 = 371443529
BaseRepresentation
bin111001110100…
…0111001111101
32010001010010210
41303220321331
530230022414
63001423033
7515444220
oct163507175
963033123
1030314109
1116125491
12a19aa79
136384c57
1440515b7
1529dbe59
hex1ce8e7d

30314109 has 8 divisors (see below), whose sum is σ = 46192960. Its totient is φ = 17322336.

The previous prime is 30314087. The next prime is 30314113. The reversal of 30314109 is 90141303.

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

It is not a de Polignac number, because 30314109 - 27 = 30313981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1443529 = 30314109 / (3 + 0 + 3 + 1 + 4 + 1 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30314189) 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, 721744 + ... + 721785.

It is an arithmetic number, because the mean of its divisors is an integer number (5774120).

Almost surely, 230314109 is an apocalyptic number.

It is an amenable number.

30314109 is a deficient number, since it is larger than the sum of its proper divisors (15878851).

30314109 is a wasteful number, since it uses less digits than its factorization.

30314109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443539.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 30314109 is about 5505.8250063001. The cubic root of 30314109 is about 311.8039428185.

It can be divided in two parts, 3031 and 4109, that added together give a triangular number (7140 = T119).

The spelling of 30314109 in words is "thirty million, three hundred fourteen thousand, one hundred nine".

Divisors: 1 3 7 21 1443529 4330587 10104703 30314109