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472727780 = 22573376627
BaseRepresentation
bin11100001011010…
…100000011100100
31012221112001121022
4130023110003210
51432004242110
6114524110312
714500056050
oct3413240344
91187461538
10472727780
1122292a418
12112395398
1376c268a5
1446ad6c60
152b77c755
hex1c2d40e4

472727780 has 24 divisors (see below), whose sum is σ = 1134547008. Its totient is φ = 162078048.

The previous prime is 472727777. The next prime is 472727797. The reversal of 472727780 is 87727274.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688174 + ... + 1688453.

It is an arithmetic number, because the mean of its divisors is an integer number (47272792).

Almost surely, 2472727780 is an apocalyptic number.

It is an amenable number.

472727780 is an abundant number, since it is smaller than the sum of its proper divisors (661819228).

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

472727780 is a wasteful number, since it uses less digits than its factorization.

472727780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376643 (or 3376641 counting only the distinct ones).

The product of its (nonzero) digits is 307328, while the sum is 44.

The square root of 472727780 is about 21742.3039257573. The cubic root of 472727780 is about 778.9992535105. Note that the first 3 decimals are identical.

The spelling of 472727780 in words is "four hundred seventy-two million, seven hundred twenty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3376627 6753254 13506508 16883135 23636389 33766270 47272778 67532540 94545556 118181945 236363890 472727780