Search a number
-
+
78726006 = 2341925577
BaseRepresentation
bin1001011000101…
…00001101110110
312111010200210000
410230110031312
5130123213011
611451212130
71644105612
oct454241566
9174120700
1078726006
1140491017
1222447046
1313405548
14a654342
156da1356
hex4b14376

78726006 has 40 divisors (see below), whose sum is σ = 185696280. Its totient is φ = 24859872.

The previous prime is 78725989. The next prime is 78726017. The reversal of 78726006 is 60062787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9711 + ... + 15866.

It is an arithmetic number, because the mean of its divisors is an integer number (4642407).

Almost surely, 278726006 is an apocalyptic number.

78726006 is an abundant number, since it is smaller than the sum of its proper divisors (106970274).

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

78726006 is a wasteful number, since it uses less digits than its factorization.

78726006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25610 (or 25601 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 78726006 is about 8872.7676629110. The cubic root of 78726006 is about 428.5874071185.

The spelling of 78726006 in words is "seventy-eight million, seven hundred twenty-six thousand, six".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 342 513 1026 1539 3078 25577 51154 76731 153462 230193 460386 485963 690579 971926 1381158 1457889 2071737 2915778 4143474 4373667 8747334 13121001 26242002 39363003 78726006