Search a number
-
+
82750577 = 71317149359
BaseRepresentation
bin1001110111010…
…10110001110001
312202201011110012
410323222301301
5132141004302
612113344305
72023240220
oct473526161
9182634405
1082750577
114278a808
1223868095
13141b4350
14adc0cb7
1573e8a52
hex4eeac71

82750577 has 32 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 61037568.

The previous prime is 82750541. The next prime is 82750579. The reversal of 82750577 is 77505728.

It is a cyclic number.

It is not a de Polignac number, because 82750577 - 26 = 82750513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82750579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230324 + ... + 230682.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 282750577 is an apocalyptic number.

It is an amenable number.

82750577 is a deficient number, since it is larger than the sum of its proper divisors (26113423).

82750577 is a wasteful number, since it uses less digits than its factorization.

82750577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 137200, while the sum is 41.

The square root of 82750577 is about 9096.7344140631. The cubic root of 82750577 is about 435.7696806293.

The spelling of 82750577 in words is "eighty-two million, seven hundred fifty thousand, five hundred seventy-seven".

Divisors: 1 7 13 17 91 119 149 221 359 1043 1547 1937 2513 2533 4667 6103 13559 17731 32669 32929 42721 53491 79339 230503 374437 555373 695383 909347 4867681 6365429 11821511 82750577