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230087208 = 233133123789
BaseRepresentation
bin11011011011011…
…01101000101000
3121000221122022110
431231231220220
5432400242313
634455322320
75462465121
oct1555555050
9530848273
10230087208
11108972a1a
12650803a0
133888cba0
14227b5048
15152edec3
hexdb6da28

230087208 has 64 divisors (see below), whose sum is σ = 639475200. Its totient is φ = 68509440.

The previous prime is 230087149. The next prime is 230087219. The reversal of 230087208 is 802780032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (9991800).

Almost surely, 2230087208 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 230087208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319737600).

230087208 is an abundant number, since it is smaller than the sum of its proper divisors (409387992).

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

230087208 is a wasteful number, since it uses less digits than its factorization.

230087208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23842 (or 23838 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 230087208 is about 15168.6257782305. The cubic root of 230087208 is about 612.7699949746.

The spelling of 230087208 in words is "two hundred thirty million, eighty-seven thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 31 39 52 62 78 93 104 124 156 186 248 312 372 403 744 806 1209 1612 2418 3224 4836 9672 23789 47578 71367 95156 142734 190312 285468 309257 570936 618514 737459 927771 1237028 1474918 1855542 2212377 2474056 2949836 3711084 4424754 5899672 7422168 8849508 9586967 17699016 19173934 28760901 38347868 57521802 76695736 115043604 230087208