Search a number
-
+
70000084 = 227111729461
BaseRepresentation
bin1000010110000…
…01110111010100
311212201101001201
410023001313110
5120410000314
610540202244
71506663610
oct413016724
9155641051
1070000084
1136571110
121b539384
131166b88b
149422340
15622ab74
hex42c1dd4

70000084 has 96 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 24729600.

The previous prime is 70000081. The next prime is 70000093. The reversal of 70000084 is 48000007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70000081) 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, 151614 + ... + 152074.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 270000084 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 70000084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

70000084 is an abundant number, since it is smaller than the sum of its proper divisors (97650476).

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

70000084 is a wasteful number, since it uses less digits than its factorization.

70000084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70000084 is about 8366.6052852994. The cubic root of 70000084 is about 412.1286948322.

The spelling of 70000084 in words is "seventy million, eighty-four", and thus it is an aban number.

Divisors: 1 2 4 7 11 14 17 22 28 29 34 44 58 68 77 116 119 154 187 203 238 308 319 374 406 461 476 493 638 748 812 922 986 1276 1309 1844 1972 2233 2618 3227 3451 4466 5071 5236 5423 6454 6902 7837 8932 10142 10846 12908 13369 13804 15674 20284 21692 26738 31348 35497 37961 53476 54859 70994 75922 86207 93583 109718 141988 147059 151844 172414 187166 219436 227273 294118 344828 374332 454546 588236 603449 909092 1029413 1206898 1590911 2058826 2413796 2500003 3181822 4117652 5000006 6363644 10000012 17500021 35000042 70000084