Search a number
-
+
206763960 = 233513132541
BaseRepresentation
bin11000101001011…
…11011110111000
3112102001200211110
430110233132320
5410412421320
632303400320
75060315244
oct1424573670
9472050743
10206763960
11a6792907
12592b30a0
1333ab4c50
141d663424
15132435e0
hexc52f7b8

206763960 has 64 divisors (see below), whose sum is σ = 668011680. Its totient is φ = 50895360.

The previous prime is 206763937. The next prime is 206763983. The reversal of 206763960 is 69367602.

It is an interprime number because it is at equal distance from previous prime (206763937) and next prime (206763983).

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

It is a congruent number.

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, 64711 + ... + 67830.

Almost surely, 2206763960 is an apocalyptic number.

206763960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206763960 is an abundant number, since it is smaller than the sum of its proper divisors (461247720).

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

206763960 is a wasteful number, since it uses less digits than its factorization.

206763960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132568 (or 132564 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 206763960 is about 14379.2892731178. The cubic root of 206763960 is about 591.3232389939.

The spelling of 206763960 in words is "two hundred six million, seven hundred sixty-three thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 132541 265082 397623 530164 662705 795246 1060328 1325410 1590492 1723033 1988115 2650820 3180984 3446066 3976230 5169099 5301640 6892132 7952460 8615165 10338198 13784264 15904920 17230330 20676396 25845495 34460660 41352792 51690990 68921320 103381980 206763960