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488081272 = 23719647709
BaseRepresentation
bin11101000101111…
…000011101111000
31021000102002122011
4131011320131320
51444422100042
6120233135304
715044423320
oct3505703570
91230362564
10488081272
11230566758
1211755a534
137a1710b3
1448b72280
152ccb1a17
hex1d178778

488081272 has 64 divisors (see below), whose sum is σ = 1104192000. Its totient is φ = 197582976.

The previous prime is 488081263. The next prime is 488081287. The reversal of 488081272 is 272180884.

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, 688054 + ... + 688762.

It is an arithmetic number, because the mean of its divisors is an integer number (17253000).

Almost surely, 2488081272 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 488081272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552096000).

488081272 is an abundant number, since it is smaller than the sum of its proper divisors (616110728).

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

488081272 is a wasteful number, since it uses less digits than its factorization.

488081272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 488081272 is about 22092.5614630807. The cubic root of 488081272 is about 787.3431400686.

It can be divided in two parts, 4880812 and 72, that added together give a palindrome (4880884).

The spelling of 488081272 in words is "four hundred eighty-eight million, eighty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 647 709 1064 1294 1418 2588 2836 4529 4963 5176 5672 9058 9926 12293 13471 18116 19852 24586 26942 36232 39704 49172 53884 86051 94297 98344 107768 172102 188594 344204 377188 458723 688408 754376 917446 1834892 3211061 3669784 6422122 8715737 12844244 17431474 25688488 34862948 61010159 69725896 122020318 244040636 488081272