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480006720 = 26325166669
BaseRepresentation
bin11100100111000…
…101001001000000
31020110012212102200
4130213011021000
51440340203340
6115344113200
714615663334
oct3447051100
91213185380
10480006720
11226a51176
12114905800
13785a4a5b
1447a6d7c4
152c219330
hex1c9c5240

480006720 has 84 divisors (see below), whose sum is σ = 1651033020. Its totient is φ = 128001024.

The previous prime is 480006719. The next prime is 480006727. The reversal of 480006720 is 27600084.

It can be written as a sum of positive squares in 2 ways, for example, as 238887936 + 241118784 = 15456^2 + 15528^2 .

It is not an unprimeable number, because it can be changed into a prime (480006727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80455 + ... + 86214.

It is an arithmetic number, because the mean of its divisors is an integer number (19655155).

Almost surely, 2480006720 is an apocalyptic number.

480006720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

480006720 is an abundant number, since it is smaller than the sum of its proper divisors (1171026300).

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

480006720 is a wasteful number, since it uses less digits than its factorization.

480006720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166692 (or 166679 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 480006720 is about 21909.0556619860. The cubic root of 480006720 is about 782.9771820932.

The spelling of 480006720 in words is "four hundred eighty million, six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 166669 333338 500007 666676 833345 1000014 1333352 1500021 1666690 2000028 2500035 2666704 3000042 3333380 4000056 5000070 5333408 6000084 6666760 7500105 8000112 10000140 10666816 12000168 13333520 15000210 16000224 20000280 24000336 26667040 30000420 32000448 40000560 48000672 53334080 60000840 80001120 96001344 120001680 160002240 240003360 480006720