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480047720 = 23523521791
BaseRepresentation
bin11100100111001…
…111001001101000
31020110021221200012
4130213033021220
51440343011340
6115345031052
714616224015
oct3447171150
91213257605
10480047720
11226a79a59
12114925488
13785ba609
1447a8070c
152c226565
hex1c9cf268

480047720 has 32 divisors (see below), whose sum is σ = 1127070720. Its totient is φ = 183670080.

The previous prime is 480047719. The next prime is 480047723. The reversal of 480047720 is 27740084.

It is not an unprimeable number, because it can be changed into a prime (480047723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259976 + ... + 261815.

It is an arithmetic number, because the mean of its divisors is an integer number (35220960).

Almost surely, 2480047720 is an apocalyptic number.

480047720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

480047720 is an abundant number, since it is smaller than the sum of its proper divisors (647023000).

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

480047720 is a wasteful number, since it uses less digits than its factorization.

480047720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521825 (or 521821 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 480047720 is about 21909.9913281589. The cubic root of 480047720 is about 782.9994742467. Note that the first 3 decimals are identical.

The spelling of 480047720 in words is "four hundred eighty million, forty-seven thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 521791 1043582 2087164 2608955 4174328 5217910 10435820 12001193 20871640 24002386 48004772 60005965 96009544 120011930 240023860 480047720