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268134672 = 243132411783
BaseRepresentation
bin11111111101101…
…10100100010000
3200200112122121210
433332312210100
51022120302142
642335020120
76434051511
oct1776664420
9620478553
10268134672
1112839a603
127596a640
1343721a90
142787aa08
151881749c
hexffb6910

268134672 has 80 divisors (see below), whose sum is σ = 749479808. Its totient is φ = 82114560.

The previous prime is 268134637. The next prime is 268134673. The reversal of 268134672 is 276431862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 268134672.

It is not an unprimeable number, because it can be changed into a prime (268134673) 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, 149493 + ... + 151275.

Almost surely, 2268134672 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 268134672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374739904).

268134672 is an abundant number, since it is smaller than the sum of its proper divisors (481345136).

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

268134672 is a wasteful number, since it uses less digits than its factorization.

268134672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2042 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 268134672 is about 16374.8182279987. The cubic root of 268134672 is about 644.8385486172.

It can be divided in two parts, 268 and 134672, that added together give a triangular number (134940 = T519).

The spelling of 268134672 in words is "two hundred sixty-eight million, one hundred thirty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 241 312 482 624 723 964 1446 1783 1928 2892 3133 3566 3856 5349 5784 6266 7132 9399 10698 11568 12532 14264 18798 21396 23179 25064 28528 37596 42792 46358 50128 69537 75192 85584 92716 139074 150384 185432 278148 370864 429703 556296 859406 1112592 1289109 1718812 2578218 3437624 5156436 5586139 6875248 10312872 11172278 16758417 20625744 22344556 33516834 44689112 67033668 89378224 134067336 268134672