Search a number
-
+
120072006 = 232232973137
BaseRepresentation
bin1110010100000…
…10011101000110
322100221021211100
413022002131012
5221214301011
615525320530
72655411105
oct712023506
9270837740
10120072006
116186096a
1234266146
131bb50932
1411d3803c
15a81bd56
hex7282746

120072006 has 96 divisors (see below), whose sum is σ = 286752960. Its totient is φ = 36191232.

The previous prime is 120071989. The next prime is 120072011. The reversal of 120072006 is 600270021.

It is a happy number.

It is a super-3 number, since 3×1200720063 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 120072006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 876370 + ... + 876506.

It is an arithmetic number, because the mean of its divisors is an integer number (2987010).

Almost surely, 2120072006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120072006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143376480).

120072006 is an abundant number, since it is smaller than the sum of its proper divisors (166680954).

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

120072006 is a wasteful number, since it uses less digits than its factorization.

120072006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 120072006 is about 10957.7372664250. The cubic root of 120072006 is about 493.3410518434.

The spelling of 120072006 in words is "one hundred twenty million, seventy-two thousand, six".

Divisors: 1 2 3 6 9 18 23 29 46 58 69 73 87 137 138 146 174 207 219 261 274 411 414 438 522 657 667 822 1233 1314 1334 1679 2001 2117 2466 3151 3358 3973 4002 4234 5037 6003 6302 6351 7946 9453 10001 10074 11919 12006 12702 15111 18906 19053 20002 23838 28359 30003 30222 35757 38106 48691 56718 60006 71514 90009 91379 97382 146073 180018 182758 230023 274137 290029 292146 438219 460046 548274 580058 690069 822411 870087 876438 1380138 1644822 1740174 2070207 2610261 4140414 5220522 6670667 13341334 20012001 40024002 60036003 120072006