Search a number
-
+
76838000 = 2453103373
BaseRepresentation
bin1001001010001…
…11010001110000
312100120202220212
410211013101300
5124132304000
611342523252
71622053331
oct445072160
9170522825
1076838000
113a411588
1221896528
1312bc4095
14a2c2288
156b2bc35
hex4947470

76838000 has 80 divisors (see below), whose sum is σ = 188101056. Its totient is φ = 30355200.

The previous prime is 76837993. The next prime is 76838017. The reversal of 76838000 is 83867.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205814 + ... + 206186.

Almost surely, 276838000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76838000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94050528).

76838000 is an abundant number, since it is smaller than the sum of its proper divisors (111263056).

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

76838000 is a wasteful number, since it uses less digits than its factorization.

76838000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 76838000 is about 8765.7287204202. The cubic root of 76838000 is about 425.1335220609.

The spelling of 76838000 in words is "seventy-six million, eight hundred thirty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 125 200 206 250 373 400 412 500 515 746 824 1000 1030 1492 1648 1865 2000 2060 2575 2984 3730 4120 5150 5968 7460 8240 9325 10300 12875 14920 18650 20600 25750 29840 37300 38419 41200 46625 51500 74600 76838 93250 103000 149200 153676 186500 192095 206000 307352 373000 384190 614704 746000 768380 960475 1536760 1920950 3073520 3841900 4802375 7683800 9604750 15367600 19209500 38419000 76838000