Search a number
-
+
70796808 = 23333197109
BaseRepresentation
bin1000011100001…
…00011000001000
311221012211222000
410032010120020
5121110444213
611005231000
71516522455
oct416043010
9157184860
1070796808
1136a65765
121b862460
131188a404
14958c82c
156336c73
hex4384608

70796808 has 128 divisors (see below), whose sum is σ = 206976000. Its totient is φ = 22394880.

The previous prime is 70796807. The next prime is 70796813. The reversal of 70796808 is 80869707.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 70796808 = 1803 + 4023 = 3063 + 3483.

It is not an unprimeable number, because it can be changed into a prime (70796807) 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, 649458 + ... + 649566.

It is an arithmetic number, because the mean of its divisors is an integer number (1617000).

Almost surely, 270796808 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 70796808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103488000).

70796808 is an abundant number, since it is smaller than the sum of its proper divisors (136179192).

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

70796808 is a wasteful number, since it uses less digits than its factorization.

70796808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 70796808 is about 8414.0839073544. The cubic root of 70796808 is about 413.6863829438.

The spelling of 70796808 in words is "seventy million, seven hundred ninety-six thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 97 108 109 124 186 194 216 218 248 279 291 327 372 388 436 558 582 654 744 776 837 872 873 981 1116 1164 1308 1674 1746 1962 2232 2328 2616 2619 2943 3007 3348 3379 3492 3924 5238 5886 6014 6696 6758 6984 7848 9021 10137 10476 10573 11772 12028 13516 18042 20274 20952 21146 23544 24056 27032 27063 30411 31719 36084 40548 42292 54126 60822 63438 72168 81096 81189 84584 91233 95157 108252 121644 126876 162378 182466 190314 216504 243288 253752 285471 324756 327763 364932 380628 570942 649512 655526 729864 761256 983289 1141884 1311052 1966578 2283768 2622104 2949867 3933156 5899734 7866312 8849601 11799468 17699202 23598936 35398404 70796808