Search a number
-
+
57354023169 = 32798292
BaseRepresentation
bin110101011010100100…
…001111000100000001
312111001002201020220100
4311122210033010001
51414430112220134
642203103433013
74100200103352
oct653244170401
9174032636810
1057354023169
112236193a553
12b1478b5769
13554050a121
142ac12c3d29
15175a2de999
hexd5a90f101

57354023169 has 9 divisors (see below), whose sum is σ = 82845737923. Its totient is φ = 38235536472.

The previous prime is 57354023161. The next prime is 57354023171. The reversal of 57354023169 is 96132045375.

The square root of 57354023169 is 239487.

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

57354023169 is a `hidden beast` number, since 5 + 7 + 354 + 0 + 231 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33074150769 + 24279872400 = 181863^2 + 155820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 57354023169 - 23 = 57354023161 is a prime.

It is a super-2 number, since 2×573540231692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57354023161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 678547 + ... + 758375.

Almost surely, 257354023169 is an apocalyptic number.

57354023169 is the 239487-th square number.

57354023169 is the 119744-th centered octagonal number.

It is an amenable number.

57354023169 is a deficient number, since it is larger than the sum of its proper divisors (25491714754).

57354023169 is an frugal number, since it uses more digits than its factorization.

57354023169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159664 (or 79832 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 57354023169 in words is "fifty-seven billion, three hundred fifty-four million, twenty-three thousand, one hundred sixty-nine".

Divisors: 1 3 9 79829 239487 718461 6372669241 19118007723 57354023169