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297927496242 = 232531194126153
BaseRepresentation
bin1000101010111011101…
…11001101001000110010
31001111000002010221001200
410111131313031020302
514340123414334432
6344511020112030
730344630635335
oct4253567151062
91044002127050
10297927496242
11105394339582
12498a7395616
132212c64a21c
14105c3bb261c
157b3a778a7c
hex455ddcd232

297927496242 has 48 divisors (see below), whose sum is σ = 657769229208. Its totient is φ = 97423522560.

The previous prime is 297927496169. The next prime is 297927496247. The reversal of 297927496242 is 242694729792.

It can be written as a sum of positive squares in 4 ways, for example, as 198772413921 + 99155082321 = 445839^2 + 314889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 297927496242.

It is not an unprimeable number, because it can be changed into a prime (297927496247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11378638 + ... + 11404790.

Almost surely, 2297927496242 is an apocalyptic number.

297927496242 is an abundant number, since it is smaller than the sum of its proper divisors (359841732966).

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

297927496242 is a wasteful number, since it uses less digits than its factorization.

297927496242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38155 (or 38152 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 297927496242 in words is "two hundred ninety-seven billion, nine hundred twenty-seven million, four hundred ninety-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 11941 23882 26153 35823 52306 71646 78459 107469 156918 214938 235377 470754 632873 1265746 1386109 1898619 2772218 3797238 4158327 5695857 8316654 11391714 12474981 24949962 312292973 624585946 936878919 1873757838 2810636757 5621273514 16551527569 33103055138 49654582707 99309165414 148963748121 297927496242