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12250002 = 2310719081
BaseRepresentation
bin101110101110…
…101110010010
3212001100211210
4232232232102
511114000002
61114320550
7206060202
oct56565622
925040753
1012250002
116a07676
124129156
1326cba2b
1418ac402
15111e96c
hexbaeb92

12250002 has 16 divisors (see below), whose sum is σ = 24730272. Its totient is φ = 4044960.

The previous prime is 12249989. The next prime is 12250009. The reversal of 12250002 is 20005221.

It is a self number, because there is not a number n which added to its sum of digits gives 12250002.

It is not an unprimeable number, because it can be changed into a prime (12250009) 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, 8899 + ... + 10182.

It is an arithmetic number, because the mean of its divisors is an integer number (1545642).

Almost surely, 212250002 is an apocalyptic number.

12250002 is an abundant number, since it is smaller than the sum of its proper divisors (12480270).

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

12250002 is a wasteful number, since it uses less digits than its factorization.

12250002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19193.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12250002 is about 3500.0002857143. Note that the first 3 decimals coincide. The cubic root of 12250002 is about 230.5218271483.

Adding to 12250002 its reverse (20005221), we get a palindrome (32255223).

The spelling of 12250002 in words is "twelve million, two hundred fifty thousand, two".

Divisors: 1 2 3 6 107 214 321 642 19081 38162 57243 114486 2041667 4083334 6125001 12250002