Search a number
-
+
268886205 = 3257911937
BaseRepresentation
bin10000000001101…
…110000010111101
3200201221211112100
4100001232002331
51022313324310
642403055313
76443331540
oct2001560275
9621854470
10268886205
11128863205
1276071539
1343925b83
14279d4857
1518914ec0
hex1006e0bd

268886205 has 48 divisors (see below), whose sum is σ = 533804544. Its totient is φ = 122653440.

The previous prime is 268886147. The next prime is 268886227. The reversal of 268886205 is 502688862.

It is not a de Polignac number, because 268886205 - 28 = 268885949 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286497 + ... + 287433.

It is an arithmetic number, because the mean of its divisors is an integer number (11120928).

Almost surely, 2268886205 is an apocalyptic number.

It is an amenable number.

268886205 is a deficient number, since it is larger than the sum of its proper divisors (264918339).

268886205 is a wasteful number, since it uses less digits than its factorization.

268886205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 268886205 is about 16397.7499980943. The cubic root of 268886205 is about 645.4404419171.

The spelling of 268886205 in words is "two hundred sixty-eight million, eight hundred eighty-six thousand, two hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 911 937 2733 2811 4555 4685 6377 6559 8199 8433 13665 14055 19131 19677 31885 32795 40995 42165 57393 59031 95655 98385 286965 295155 853607 2560821 4268035 5975249 7682463 12804105 17925747 29876245 38412315 53777241 89628735 268886205