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87537873424 = 241721922292
BaseRepresentation
bin101000110000110101…
…0011111001000010000
322100221122221201102011
41101201222133020100
52413234143422144
6104114144232304
76216161434651
oct1214152371020
9270848851364
1087537873424
1134140935a41
1214b7030b694
1383409c3751
144345d09528
152425132a34
hex1461a9f210

87537873424 has 135 divisors (see below), whose sum is σ = 190983834567. Its totient is φ = 38855752704.

The previous prime is 87537873419. The next prime is 87537873433. The reversal of 87537873424 is 42437873578.

The square root of 87537873424 is 295868.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 46423011600 + 41114861824 = 215460^2 + 202768^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 382261342 + ... + 382261570.

Almost surely, 287537873424 is an apocalyptic number.

87537873424 is the 295868-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87537873424

87537873424 is an abundant number, since it is smaller than the sum of its proper divisors (103445961143).

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

87537873424 is a wasteful number, since it uses less digits than its factorization.

87537873424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 267 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 58.

The spelling of 87537873424 in words is "eighty-seven billion, five hundred thirty-seven million, eight hundred seventy-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 17 19 34 38 68 76 136 152 229 272 289 304 323 361 458 578 646 722 916 1156 1292 1444 1832 2312 2584 2888 3664 3893 4351 4624 5168 5491 5776 6137 7786 8702 10982 12274 15572 17404 21964 24548 31144 34808 43928 49096 52441 62288 66181 69616 73967 82669 87856 98192 104329 104882 132362 147934 165338 208658 209764 264724 295868 330676 417316 419528 529448 591736 661352 834632 839056 891497 996379 1058896 1183472 1257439 1322704 1405373 1669264 1782994 1992758 2514878 2810746 3565988 3985516 5029756 5621492 7131976 7971032 10059512 11242984 14263952 15155449 15942064 16938443 18931201 20119024 22485968 23891341 30310898 33876886 37862402 47782682 60621796 67753772 75724804 95565364 121243592 135507544 151449608 191130728 242487184 271015088 287953531 302899216 321830417 382261456 575907062 643660834 1151814124 1287321668 2303628248 2574643336 4607256496 5149286672 5471117089 10942234178 21884468356 43768936712 87537873424