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30545422 = 215272711
BaseRepresentation
bin111010010000…
…1011000001110
32010110212102221
41310201120032
530304423142
63010405554
7520426465
oct164413016
963425387
1030545422
1116273256
12a2908ba
13643631b
1440b19dc
152a35767
hex1d2160e

30545422 has 4 divisors (see below), whose sum is σ = 45818136. Its totient is φ = 15272710.

The previous prime is 30545419. The next prime is 30545453. The reversal of 30545422 is 22454503.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7636354 + ... + 7636357.

It is an arithmetic number, because the mean of its divisors is an integer number (11454534).

Almost surely, 230545422 is an apocalyptic number.

30545422 is a deficient number, since it is larger than the sum of its proper divisors (15272714).

30545422 is a wasteful number, since it uses less digits than its factorization.

30545422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272713.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30545422 is about 5526.7912933274. The cubic root of 30545422 is about 312.5950115367.

Adding to 30545422 its reverse (22454503), we get a palindrome (52999925).

The spelling of 30545422 in words is "thirty million, five hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 15272711 30545422