Search a number
-
+
206372056 = 231122710331
BaseRepresentation
bin11000100110011…
…11110011011000
3112101022210020111
430103033303120
5410312401211
632251134104
75054063542
oct1423176330
9471283214
10206372056
11a6545420
1259144334
13339a8757
141d5a0692
15131b7421
hexc4cfcd8

206372056 has 32 divisors (see below), whose sum is σ = 424025280. Its totient is φ = 93383200.

The previous prime is 206372041. The next prime is 206372057. The reversal of 206372056 is 650273602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206372057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14811 + ... + 25141.

It is an arithmetic number, because the mean of its divisors is an integer number (13250790).

Almost surely, 2206372056 is an apocalyptic number.

It is an amenable number.

206372056 is an abundant number, since it is smaller than the sum of its proper divisors (217653224).

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

206372056 is a wasteful number, since it uses less digits than its factorization.

206372056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575 (or 10571 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 206372056 is about 14365.6554323149. The cubic root of 206372056 is about 590.9494012565.

The spelling of 206372056 in words is "two hundred six million, three hundred seventy-two thousand, fifty-six".

Divisors: 1 2 4 8 11 22 44 88 227 454 908 1816 2497 4994 9988 10331 19976 20662 41324 82648 113641 227282 454564 909128 2345137 4690274 9380548 18761096 25796507 51593014 103186028 206372056