[go: up one dir, main page]

Search a number
-
+
12151206 = 232675067
BaseRepresentation
bin101110010110…
…100110100110
3211212100022200
4232112212212
511102314311
61112235330
7205166154
oct56264646
924770280
1012151206
11694a421
12409bb46
132695a82
1418843d4
151100556
hexb969a6

12151206 has 12 divisors (see below), whose sum is σ = 26327652. Its totient is φ = 4050396.

The previous prime is 12151189. The next prime is 12151231. The reversal of 12151206 is 60215121.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 675067 = 12151206 / (1 + 2 + 1 + 5 + 1 + 2 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 337516 + ... + 337551.

It is an arithmetic number, because the mean of its divisors is an integer number (2193971).

Almost surely, 212151206 is an apocalyptic number.

12151206 is an abundant number, since it is smaller than the sum of its proper divisors (14176446).

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

12151206 is a wasteful number, since it uses less digits than its factorization.

12151206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675075 (or 675072 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12151206 is about 3485.8580005502. The cubic root of 12151206 is about 229.9004357971.

Adding to 12151206 its reverse (60215121), we get a palindrome (72366327).

The spelling of 12151206 in words is "twelve million, one hundred fifty-one thousand, two hundred six".

Divisors: 1 2 3 6 9 18 675067 1350134 2025201 4050402 6075603 12151206