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473887988 = 227179771019
BaseRepresentation
bin11100001111101…
…111010011110100
31020000201000002222
4130033233103310
51432303403423
6115005021512
714512660430
oct3417572364
91200630088
10473887988
11223552072
12112854898
13772419c2
1446d199c0
152b90b3c8
hex1c3ef4f4

473887988 has 48 divisors (see below), whose sum is σ = 1005540480. Its totient is φ = 190765056.

The previous prime is 473887957. The next prime is 473887991. The reversal of 473887988 is 889788374.

It is a self number, because there is not a number n which added to its sum of digits gives 473887988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464543 + ... + 465561.

It is an arithmetic number, because the mean of its divisors is an integer number (20948760).

Almost surely, 2473887988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 473887988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502770240).

473887988 is an abundant number, since it is smaller than the sum of its proper divisors (531652492).

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

473887988 is a wasteful number, since it uses less digits than its factorization.

473887988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2022 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The square root of 473887988 is about 21768.9684643072. The cubic root of 473887988 is about 779.6360278627.

The spelling of 473887988 in words is "four hundred seventy-three million, eight hundred eighty-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 977 1019 1954 2038 3908 4076 6839 7133 13678 14266 16609 17323 27356 28532 33218 34646 66436 69292 116263 121261 232526 242522 465052 485044 995563 1991126 3982252 6968941 13937882 16924571 27875764 33849142 67698284 118471997 236943994 473887988