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12152078 = 26419479
BaseRepresentation
bin101110010110…
…110100001110
3211212101111222
4232112310032
511102331303
61112243342
7205201541
oct56266416
924771458
1012152078
116950044
1240a0552
1326962a3
141884858
151100938
hexb96d0e

12152078 has 8 divisors (see below), whose sum is σ = 18258480. Its totient is φ = 6065920.

The previous prime is 12152071. The next prime is 12152081. The reversal of 12152078 is 87025121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152071) 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 3 ways as a sum of consecutive naturals, for example, 3458 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (2282310).

Almost surely, 212152078 is an apocalyptic number.

12152078 is a deficient number, since it is larger than the sum of its proper divisors (6106402).

12152078 is an equidigital number, since it uses as much as digits as its factorization.

12152078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12152078 is about 3485.9830751167. The cubic root of 12152078 is about 229.9059350697.

Adding to 12152078 its reverse (87025121), we get a palindrome (99177199).

The spelling of 12152078 in words is "twelve million, one hundred fifty-two thousand, seventy-eight".

Divisors: 1 2 641 1282 9479 18958 6076039 12152078