Search a number
-
+
268807020 = 223534712911
BaseRepresentation
bin10000000001011…
…010101101101100
3200201210210220120
4100001122231230
51022303311040
642401244540
76442551636
oct2001325554
9621723816
10268807020
11128809769
1276033750
13438c8b11
14279b3a56
15188eb7d0
hex1005ab6c

268807020 has 48 divisors (see below), whose sum is σ = 754887168. Its totient is φ = 71469760.

The previous prime is 268807013. The next prime is 268807067. The reversal of 268807020 is 20708862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14365 + ... + 27275.

It is an arithmetic number, because the mean of its divisors is an integer number (15726816).

Almost surely, 2268807020 is an apocalyptic number.

268807020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268807020 is an abundant number, since it is smaller than the sum of its proper divisors (486080148).

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

268807020 is a wasteful number, since it uses less digits than its factorization.

268807020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13270 (or 13268 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 268807020 is about 16395.3353122161. The cubic root of 268807020 is about 645.3770765499.

The spelling of 268807020 in words is "two hundred sixty-eight million, eight hundred seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 347 694 1041 1388 1735 2082 3470 4164 5205 6940 10410 12911 20820 25822 38733 51644 64555 77466 129110 154932 193665 258220 387330 774660 4480117 8960234 13440351 17920468 22400585 26880702 44801170 53761404 67201755 89602340 134403510 268807020