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472774445 = 511136771139
BaseRepresentation
bin11100001011011…
…111011100101101
31012221121102121122
4130023133130231
51432012240240
6114525110325
714500342103
oct3413373455
91187542548
10472774445
11222961490
121123b83a5
1376c41bc0
1446b09c73
152b78b4b5
hex1c2df72d

472774445 has 64 divisors (see below), whose sum is σ = 690923520. Its totient is φ = 306028800.

The previous prime is 472774441. The next prime is 472774447. The reversal of 472774445 is 544477274.

It is not a de Polignac number, because 472774445 - 22 = 472774441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472774396 and 472774405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472774441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3401186 + ... + 3401324.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2472774445 is an apocalyptic number.

It is an amenable number.

472774445 is a deficient number, since it is larger than the sum of its proper divisors (218149075).

472774445 is a wasteful number, since it uses less digits than its factorization.

472774445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its digits is 878080, while the sum is 44.

The square root of 472774445 is about 21743.3770376177. The cubic root of 472774445 is about 779.0248854602.

The spelling of 472774445 in words is "four hundred seventy-two million, seven hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 5 11 13 55 65 67 71 139 143 335 355 695 715 737 781 871 923 1529 1807 3685 3905 4355 4615 4757 7645 9035 9313 9581 9869 10153 19877 23785 46565 47905 49345 50765 52327 61841 99385 102443 108559 121069 128297 261635 309205 512215 542795 605345 641485 661223 680251 1331759 1411267 3306115 3401255 6658795 7056335 7273453 8595899 36367265 42979495 94554889 472774445