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488745712 = 247131033259
BaseRepresentation
bin11101001000011…
…010101011110000
31021001122212002001
4131020122223300
52000104330322
6120255303344
715053161420
oct3510325360
91231585061
10488745712
1123097a984
1211781ab54
137a344660
1448ca6480
152cd93827
hex1d21aaf0

488745712 has 80 divisors (see below), whose sum is σ = 1177146880. Its totient is φ = 191414016.

The previous prime is 488745703. The next prime is 488745727. The reversal of 488745712 is 217547884.

It is a super-3 number, since 3×4887457123 (a number of 27 digits) contains 333 as substring.

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, 148339 + ... + 151597.

It is an arithmetic number, because the mean of its divisors is an integer number (14714336).

Almost surely, 2488745712 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 488745712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588573440).

488745712 is an abundant number, since it is smaller than the sum of its proper divisors (688401168).

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

488745712 is a wasteful number, since it uses less digits than its factorization.

488745712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3384 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The square root of 488745712 is about 22107.5939893965. The cubic root of 488745712 is about 787.7002561853.

The spelling of 488745712 in words is "four hundred eighty-eight million, seven hundred forty-five thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 103 104 112 182 206 208 364 412 721 728 824 1339 1442 1456 1648 2678 2884 3259 5356 5768 6518 9373 10712 11536 13036 18746 21424 22813 26072 37492 42367 45626 52144 74984 84734 91252 149968 169468 182504 296569 335677 338936 365008 593138 671354 677872 1186276 1342708 2349739 2372552 2685416 4363801 4699478 4745104 5370832 8727602 9398956 17455204 18797912 30546607 34910408 37595824 61093214 69820816 122186428 244372856 488745712