Search a number
-
+
206463100 = 22523166601
BaseRepresentation
bin11000100111001…
…10000001111100
3112101111102010111
430103212001330
5410323304400
632253115404
75054623144
oct1423460174
9471442114
10206463100
11a65a7868
1259188b64
1333a0b01c
141d5c5924
15131d43ba
hexc4e607c

206463100 has 36 divisors (see below), whose sum is σ = 462484288. Its totient is φ = 79920000.

The previous prime is 206463077. The next prime is 206463107. The reversal of 206463100 is 1364602.

It is a super-2 number, since 2×2064631002 = 85254023323220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206463107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30201 + ... + 36400.

Almost surely, 2206463100 is an apocalyptic number.

206463100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206463100 is an abundant number, since it is smaller than the sum of its proper divisors (256021188).

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

206463100 is a wasteful number, since it uses less digits than its factorization.

206463100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66646 (or 66639 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 206463100 is about 14368.8238906321. The cubic root of 206463100 is about 591.0362904222.

The spelling of 206463100 in words is "two hundred six million, four hundred sixty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 66601 133202 266404 333005 666010 1332020 1665025 2064631 3330050 4129262 6660100 8258524 10323155 20646310 41292620 51615775 103231550 206463100