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12200200 = 235261001
BaseRepresentation
bin101110100010…
…100100001000
3211221211112021
4232202210020
511110401300
61113254224
7205462045
oct56424410
924854467
1012200200
116983211
124104374
1326b216c
1418981cc
15110ed1a
hexba2908

12200200 has 24 divisors (see below), whose sum is σ = 28365930. Its totient is φ = 4880000.

The previous prime is 12200179. The next prime is 12200239. The reversal of 12200200 is 200221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9847044 + 2353156 = 3138^2 + 1534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30301 + ... + 30700.

Almost surely, 212200200 is an apocalyptic number.

12200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200200 is an abundant number, since it is smaller than the sum of its proper divisors (16165730).

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

12200200 is a wasteful number, since it uses less digits than its factorization.

12200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61017 (or 61008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 12200200 is about 3492.8784691140. The cubic root of 12200200 is about 230.2090097553.

Adding to 12200200 its reverse (200221), we get a palindrome (12400421).

The spelling of 12200200 in words is "twelve million, two hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 61001 122002 244004 305005 488008 610010 1220020 1525025 2440040 3050050 6100100 12200200