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30294147 = 313829937
BaseRepresentation
bin111001110010…
…0000010000011
32010000002202110
41303210002003
530223403042
63001150403
7515332062
oct163440203
963002673
1030294147
1116111494
12a18b403
136378b40
1440481d9
1529d609c
hex1ce4083

30294147 has 16 divisors (see below), whose sum is σ = 43598240. Its totient is φ = 18600192.

The previous prime is 30294127. The next prime is 30294163. The reversal of 30294147 is 74149203.

It is a happy number.

It is not a de Polignac number, because 30294147 - 28 = 30293891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30294127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31863 + ... + 32799.

It is an arithmetic number, because the mean of its divisors is an integer number (2724890).

Almost surely, 230294147 is an apocalyptic number.

30294147 is a deficient number, since it is larger than the sum of its proper divisors (13304093).

30294147 is a wasteful number, since it uses less digits than its factorization.

30294147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30294147 is about 5504.0119004232. The cubic root of 30294147 is about 311.7354862786.

It can be divided in two parts, 302 and 94147, that added together give a palindrome (94449).

The spelling of 30294147 in words is "thirty million, two hundred ninety-four thousand, one hundred forty-seven".

Divisors: 1 3 13 39 829 937 2487 2811 10777 12181 32331 36543 776773 2330319 10098049 30294147