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297875193220 = 225111353978151
BaseRepresentation
bin1000101010110101011…
…11101011110110000100
31001110212102201122210201
410111122233223312010
514340022022140340
6344501511100244
730343424236363
oct4253257536604
91043772648721
10297875193220
11105367865540
1249891971684
13221218667a7
14105bac797da
157b35d9679a
hex455abebd84

297875193220 has 24 divisors (see below), whose sum is σ = 682404988608. Its totient is φ = 108318252000.

The previous prime is 297875193197. The next prime is 297875193271. The reversal of 297875193220 is 22391578792.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 676988856 + ... + 676989295.

It is an arithmetic number, because the mean of its divisors is an integer number (28433541192).

Almost surely, 2297875193220 is an apocalyptic number.

297875193220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297875193220 is an abundant number, since it is smaller than the sum of its proper divisors (384529795388).

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

297875193220 is a wasteful number, since it uses less digits than its factorization.

297875193220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353978171 (or 1353978169 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 297875193220 in words is "two hundred ninety-seven billion, eight hundred seventy-five million, one hundred ninety-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1353978151 2707956302 5415912604 6769890755 13539781510 14893759661 27079563020 29787519322 59575038644 74468798305 148937596610 297875193220