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472761939 = 313412711091
BaseRepresentation
bin11100001011011…
…100011001010011
31012221120210110110
4130023130121103
51432011340224
6114524532403
714500260456
oct3413343123
91187523413
10472761939
11222953051
121123b1103
1376c392c0
1446b0549d
152b787929
hex1c2dc653

472761939 has 32 divisors (see below), whose sum is σ = 698600448. Its totient is φ = 282528000.

The previous prime is 472761931. The next prime is 472761977. The reversal of 472761939 is 939167274.

It is a happy number.

It is not a de Polignac number, because 472761939 - 23 = 472761931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472761931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432784 + ... + 433874.

It is an arithmetic number, because the mean of its divisors is an integer number (21831264).

Almost surely, 2472761939 is an apocalyptic number.

472761939 is a deficient number, since it is larger than the sum of its proper divisors (225838509).

472761939 is a wasteful number, since it uses less digits than its factorization.

472761939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its digits is 571536, while the sum is 48.

The square root of 472761939 is about 21743.0894538932. The cubic root of 472761939 is about 779.0180163840.

It can be divided in two parts, 4727 and 61939, that added together give a palindrome (66666).

The spelling of 472761939 in words is "four hundred seventy-two million, seven hundred sixty-one thousand, nine hundred thirty-nine".

Divisors: 1 3 13 39 41 123 271 533 813 1091 1599 3273 3523 10569 11111 14183 33333 42549 44731 134193 144443 295661 433329 581503 886983 1744509 3843593 11530779 12122101 36366303 157587313 472761939