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30472334 = 215236167
BaseRepresentation
bin111010000111…
…1100010001110
32010100011011222
41310033202032
530300103314
63005043342
7520003424
oct164174216
963304158
1030472334
1116223352
12a256552
13640bc89
144093114
152a1dc8e
hex1d0f88e

30472334 has 4 divisors (see below), whose sum is σ = 45708504. Its totient is φ = 15236166.

The previous prime is 30472327. The next prime is 30472339. The reversal of 30472334 is 43327403.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472339) 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 as a sum of consecutive naturals, namely, 7618082 + ... + 7618085.

It is an arithmetic number, because the mean of its divisors is an integer number (11427126).

Almost surely, 230472334 is an apocalyptic number.

30472334 is a deficient number, since it is larger than the sum of its proper divisors (15236170).

30472334 is a wasteful number, since it uses less digits than its factorization.

30472334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15236169.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 30472334 is about 5520.1751783798. The cubic root of 30472334 is about 312.3454903382.

Adding to 30472334 its reverse (43327403), we get a palindrome (73799737).

The spelling of 30472334 in words is "thirty million, four hundred seventy-two thousand, three hundred thirty-four".

Divisors: 1 2 15236167 30472334