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486716640 = 25351013993
BaseRepresentation
bin11101000000101…
…011010011100000
31020220211202201020
4131000223103200
51444044413030
6120144005440
715030010644
oct3500532340
91226752636
10486716640
1122a814463
12117000880
1379ab3c17
14488d8c24
152cae2510
hex1d02b4e0

486716640 has 48 divisors (see below), whose sum is σ = 1533158928. Its totient is φ = 129790976.

The previous prime is 486716591. The next prime is 486716641. The reversal of 486716640 is 46617684.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 486716592 and 486716601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486716641) 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, 506517 + ... + 507476.

It is an arithmetic number, because the mean of its divisors is an integer number (31940811).

Almost surely, 2486716640 is an apocalyptic number.

486716640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486716640 is an abundant number, since it is smaller than the sum of its proper divisors (1046442288).

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

486716640 is a wasteful number, since it uses less digits than its factorization.

486716640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014011 (or 1014003 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 486716640 is about 22061.6554229278. The cubic root of 486716640 is about 786.6086745848.

The spelling of 486716640 in words is "four hundred eighty-six million, seven hundred sixteen thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1013993 2027986 3041979 4055972 5069965 6083958 8111944 10139930 12167916 15209895 16223888 20279860 24335832 30419790 32447776 40559720 48671664 60839580 81119440 97343328 121679160 162238880 243358320 486716640