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472780284 = 223832571847
BaseRepresentation
bin11100001011100…
…000110111111100
31012221121201121220
4130023200313330
51432012432114
6114525153340
714500365114
oct3413406774
91187551556
10472780284
11222965909
121123bb850
1376c44762
1446b0c044
152b78d0a9
hex1c2e0dfc

472780284 has 48 divisors (see below), whose sum is σ = 1121395968. Its totient is φ = 155004928.

The previous prime is 472780279. The next prime is 472780289. The reversal of 472780284 is 482087274.

It is an interprime number because it is at equal distance from previous prime (472780279) and next prime (472780289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472780289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255049 + ... + 256895.

It is an arithmetic number, because the mean of its divisors is an integer number (23362416).

Almost surely, 2472780284 is an apocalyptic number.

It is an amenable number.

472780284 is an abundant number, since it is smaller than the sum of its proper divisors (648615684).

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

472780284 is a wasteful number, since it uses less digits than its factorization.

472780284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 472780284 is about 21743.5113079742. The cubic root of 472780284 is about 779.0280925622.

The spelling of 472780284 in words is "four hundred seventy-two million, seven hundred eighty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 83 166 249 257 332 498 514 771 996 1028 1542 1847 3084 3694 5541 7388 11082 21331 22164 42662 63993 85324 127986 153301 255972 306602 459903 474679 613204 919806 949358 1424037 1839612 1898716 2848074 5696148 39398357 78796714 118195071 157593428 236390142 472780284