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471749642 = 27132238669
BaseRepresentation
bin11100000111100…
…101010000001010
31012212200100211222
4130013211100022
51431231442032
6114451122042
714455543250
oct3407452012
91185610758
10471749642
11222321541
12111ba3322
1376973600
14469205d0
152b637a12
hex1c1e540a

471749642 has 48 divisors (see below), whose sum is σ = 913887360. Its totient is φ = 178491456.

The previous prime is 471749639. The next prime is 471749647. The reversal of 471749642 is 246947174.

It is a junction number, because it is equal to n+sod(n) for n = 471749593 and 471749602.

It is not an unprimeable number, because it can be changed into a prime (471749647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50084 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (19039320).

Almost surely, 2471749642 is an apocalyptic number.

471749642 is a deficient number, since it is larger than the sum of its proper divisors (442137718).

471749642 is a wasteful number, since it uses less digits than its factorization.

471749642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727 (or 8714 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 471749642 is about 21719.7983876462. The cubic root of 471749642 is about 778.4615974161.

The spelling of 471749642 in words is "four hundred seventy-one million, seven hundred forty-nine thousand, six hundred forty-two".

Divisors: 1 2 7 13 14 23 26 46 91 161 169 182 299 322 338 598 1183 2093 2366 3887 4186 7774 8669 17338 27209 54418 60683 112697 121366 199387 225394 398774 788879 1395709 1465061 1577758 2592031 2791418 2930122 5184062 10255427 18144217 20510854 33696403 36288434 67392806 235874821 471749642