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498039306961 = 7218125572
BaseRepresentation
bin1110011111101010111…
…01001011101011010001
31202121112012211012000211
413033311131023223101
531124441030310321
61020443542444121
750660610155200
oct7176535135321
91677465735024
10498039306961
11182243228829
1280634433641
1337c70b86991
141a168a7b237
15ce4d9370e1
hex73f574bad1

498039306961 has 27 divisors (see below), whose sum is σ = 583618155057. Its totient is φ = 423770145120.

The previous prime is 498039306959. The next prime is 498039306977. The reversal of 498039306961 is 169603930894.

The square root of 498039306961 is 705719.

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 420390140625 + 77649166336 = 648375^2 + 278656^2 .

It is not a de Polignac number, because 498039306961 - 21 = 498039306959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 498039306896 and 498039306905.

It is not an unprimeable number, because it can be changed into a prime (498039306461) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 894145695 + ... + 894146251.

Almost surely, 2498039306961 is an apocalyptic number.

498039306961 is the 705719-th square number.

498039306961 is the 352860-th centered octagonal number.

It is an amenable number.

498039306961 is a deficient number, since it is larger than the sum of its proper divisors (85578848096).

498039306961 is an frugal number, since it uses more digits than its factorization.

498039306961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 498039306961 in words is "four hundred ninety-eight billion, thirty-nine million, three hundred six thousand, nine hundred sixty-one".

Divisors: 1 7 49 181 557 1267 3899 8869 27293 32761 100817 229327 310249 705719 1605289 2171743 4940033 15202201 18247877 56155069 127735139 393085483 894145973 2751598381 10164067489 71148472423 498039306961