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268845312 = 2832912071
BaseRepresentation
bin10000000001100…
…100000100000000
3200201212202102210
4100001210010000
51022311022222
642402142120
76443101401
oct2001440400
9621782383
10268845312
1112883550a
1276051940
1343910388
14279c39a8
1518907d0c
hex10064100

268845312 has 72 divisors (see below), whose sum is σ = 740255040. Its totient is φ = 86517760.

The previous prime is 268845281. The next prime is 268845337. The reversal of 268845312 is 213548862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16237 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (10281320).

Almost surely, 2268845312 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 268845312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370127520).

268845312 is an abundant number, since it is smaller than the sum of its proper divisors (471409728).

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

268845312 is a wasteful number, since it uses less digits than its factorization.

268845312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12119 (or 12105 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 268845312 is about 16396.5030418074. The cubic root of 268845312 is about 645.4077201019.

The spelling of 268845312 in words is "two hundred sixty-eight million, eight hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 128 174 192 232 256 348 384 464 696 768 928 1392 1856 2784 3712 5568 7424 11136 12071 22272 24142 36213 48284 72426 96568 144852 193136 289704 350059 386272 579408 700118 772544 1050177 1158816 1400236 1545088 2100354 2317632 2800472 3090176 4200708 4635264 5600944 8401416 9270528 11201888 16802832 22403776 33605664 44807552 67211328 89615104 134422656 268845312