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268766748 = 2235674127
BaseRepresentation
bin10000000001010…
…000111000011100
3200201201202200000
4100001100320130
51022301013443
642400334300
76442323345
oct2001207034
9621652600
10268766748
11128791488
1276014390
13438b36a3
14279a30cc
15188de8d3
hex10050e1c

268766748 has 72 divisors (see below), whose sum is σ = 715233792. Its totient is φ = 88230384.

The previous prime is 268766747. The next prime is 268766783. The reversal of 268766748 is 847667862.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 268766694 and 268766703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268766741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63061 + ... + 67187.

Almost surely, 2268766748 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 268766748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357616896).

268766748 is an abundant number, since it is smaller than the sum of its proper divisors (446467044).

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

268766748 is a wasteful number, since it uses less digits than its factorization.

268766748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4199 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 268766748 is about 16394.1071120083. The cubic root of 268766748 is about 645.3448453435.

The spelling of 268766748 in words is "two hundred sixty-eight million, seven hundred sixty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 67 81 108 134 162 201 243 268 324 402 486 603 804 972 1206 1809 2412 3618 4127 5427 7236 8254 10854 12381 16281 16508 21708 24762 32562 37143 49524 65124 74286 111429 148572 222858 276509 334287 445716 553018 668574 829527 1002861 1106036 1337148 1659054 2005722 2488581 3318108 4011444 4977162 7465743 9954324 14931486 22397229 29862972 44794458 67191687 89588916 134383374 268766748