Search a number
-
+
260070228 = 223211761863
BaseRepresentation
bin11111000000001…
…01101101010100
3200010100221021200
433200011231110
51013034221403
641450112500
76305363145
oct1740055524
9603327250
10260070228
11123891680
127311b730
1341b5a212
142677bacc
1517c72ca3
hexf805b54

260070228 has 72 divisors (see below), whose sum is σ = 718937856. Its totient is φ = 78614400.

The previous prime is 260070221. The next prime is 260070259. The reversal of 260070228 is 822070062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260070221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 300925 + ... + 301787.

It is an arithmetic number, because the mean of its divisors is an integer number (9985248).

Almost surely, 2260070228 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 260070228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359468928).

260070228 is an abundant number, since it is smaller than the sum of its proper divisors (458867628).

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

260070228 is a wasteful number, since it uses less digits than its factorization.

260070228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 260070228 is about 16126.6930274003. The cubic root of 260070228 is about 638.3078901631.

The spelling of 260070228 in words is "two hundred sixty million, seventy thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 761 863 1522 1726 2283 2589 3044 3452 4566 5178 6849 7767 8371 9132 9493 10356 13698 15534 16742 18986 25113 27396 28479 31068 33484 37972 50226 56958 75339 85437 100452 113916 150678 170874 301356 341748 656743 1313486 1970229 2626972 3940458 5910687 7224173 7880916 11821374 14448346 21672519 23642748 28896692 43345038 65017557 86690076 130035114 260070228