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268635072 = 26319211349
BaseRepresentation
bin10000000000110…
…000101111000000
3200201111002001010
4100000300233000
51022232310242
642353440520
76441234426
oct2000605700
9621432033
10268635072
11128701562
1275b70140
1343868784
142796b116
15188b589c
hex10030bc0

268635072 has 112 divisors (see below), whose sum is σ = 753872000. Its totient is φ = 84188160.

The previous prime is 268635049. The next prime is 268635077. The reversal of 268635072 is 270536862.

It is a self number, because there is not a number n which added to its sum of digits gives 268635072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268635077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769554 + ... + 769902.

It is an arithmetic number, because the mean of its divisors is an integer number (6731000).

Almost surely, 2268635072 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 268635072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376936000).

268635072 is an abundant number, since it is smaller than the sum of its proper divisors (485236928).

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

268635072 is a wasteful number, since it uses less digits than its factorization.

268635072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 268635072 is about 16390.0906647889. The cubic root of 268635072 is about 645.2394375755.

The spelling of 268635072 in words is "two hundred sixty-eight million, six hundred thirty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 211 228 304 349 422 456 608 633 698 844 912 1047 1216 1266 1396 1688 1824 2094 2532 2792 3376 3648 4009 4188 5064 5584 6631 6752 8018 8376 10128 11168 12027 13262 13504 16036 16752 19893 20256 22336 24054 26524 32072 33504 39786 40512 48108 53048 64144 67008 73639 79572 96216 106096 128288 147278 159144 192432 212192 220917 256576 294556 318288 384864 424384 441834 589112 636576 769728 883668 1178224 1273152 1399141 1767336 2356448 2798282 3534672 4197423 4712896 5596564 7069344 8394846 11193128 14138688 16789692 22386256 33579384 44772512 67158768 89545024 134317536 268635072