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472547772 = 223213126327
BaseRepresentation
bin11100001010101…
…000000110111100
31012221011220200100
4130022220012330
51431433012042
6114520201100
714465406204
oct3412500674
91187156610
10472547772
11222817154
12112309190
1376b92988
1446a8b404
152b74424c
hex1c2a81bc

472547772 has 18 divisors (see below), whose sum is σ = 1194495848. Its totient is φ = 157515912.

The previous prime is 472547753. The next prime is 472547783. The reversal of 472547772 is 277745274.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6563128 + ... + 6563199.

Almost surely, 2472547772 is an apocalyptic number.

It is an amenable number.

472547772 is an abundant number, since it is smaller than the sum of its proper divisors (721948076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472547772 is a wasteful number, since it uses less digits than its factorization.

472547772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13126337 (or 13126332 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 472547772 is about 21738.1639519073. The cubic root of 472547772 is about 778.9003636871.

The spelling of 472547772 in words is "four hundred seventy-two million, five hundred forty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 13126327 26252654 39378981 52505308 78757962 118136943 157515924 236273886 472547772