Search a number
-
+
681486795 = 325113189499
BaseRepresentation
bin101000100111101…
…010100111001011
31202111100010010200
4220213222213023
52343430034140
6151342343243
722613353653
oct5047524713
91674303120
10681486795
1131a755130
1217028ab23
13ab259932
1466719363
153ec67030
hex289ea9cb

681486795 has 96 divisors (see below), whose sum is σ = 1347840000. Its totient is φ = 315532800.

The previous prime is 681486781. The next prime is 681486797. The reversal of 681486795 is 597684186.

It is not a de Polignac number, because 681486795 - 24 = 681486779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681486797) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1365456 + ... + 1365954.

It is an arithmetic number, because the mean of its divisors is an integer number (14040000).

Almost surely, 2681486795 is an apocalyptic number.

681486795 is a deficient number, since it is larger than the sum of its proper divisors (666353205).

681486795 is a wasteful number, since it uses less digits than its factorization.

681486795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 681486795 is about 26105.3020476684. The cubic root of 681486795 is about 880.0063683251.

The spelling of 681486795 in words is "six hundred eighty-one million, four hundred eighty-six thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 11 15 31 33 45 55 89 93 99 155 165 267 279 341 445 465 495 499 801 979 1023 1335 1395 1497 1705 2495 2759 2937 3069 4005 4491 4895 5115 5489 7485 8277 8811 13795 14685 15345 15469 16467 22455 24831 27445 30349 41385 44055 44411 46407 49401 77345 82335 91047 124155 133233 139221 151745 170159 222055 232035 247005 273141 399699 455235 488521 510477 666165 696105 850795 1365705 1376741 1465563 1531431 1998495 2442605 2552385 4130223 4396689 6883705 7327815 7657155 12390669 15144151 20651115 21983445 45432453 61953345 75720755 136297359 227162265 681486795