Search a number
-
+
206762620 = 22510338131
BaseRepresentation
bin11000101001011…
…11001001111100
3112102001121222211
430110233021330
5410412400440
632303350204
75060311321
oct1424571174
9472047884
10206762620
11a67918a9
12592b2364
1333ab445c
141d662b48
1513242eea
hexc52f27c

206762620 has 12 divisors (see below), whose sum is σ = 434201544. Its totient is φ = 82705040.

The previous prime is 206762599. The next prime is 206762629. The reversal of 206762620 is 26267602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206762629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5169046 + ... + 5169085.

It is an arithmetic number, because the mean of its divisors is an integer number (36183462).

Almost surely, 2206762620 is an apocalyptic number.

206762620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206762620 is an abundant number, since it is smaller than the sum of its proper divisors (227438924).

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

206762620 is a wasteful number, since it uses less digits than its factorization.

206762620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338140 (or 10338138 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 206762620 is about 14379.2426782498. The cubic root of 206762620 is about 591.3219615713.

The spelling of 206762620 in words is "two hundred six million, seven hundred sixty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 10338131 20676262 41352524 51690655 103381310 206762620