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12028754 = 219930223
BaseRepresentation
bin101101111000…
…101101010010
3211122010100102
4231320231102
511034410004
61105452402
7204146153
oct55705522
924563312
1012028754
116876421
124041102
13265210a
14185192a
1510c911e
hexb78b52

12028754 has 8 divisors (see below), whose sum is σ = 18134400. Its totient is φ = 5983956.

The previous prime is 12028739. The next prime is 12028759. The reversal of 12028754 is 45782021.

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

It is not an unprimeable number, because it can be changed into a prime (12028759) 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, 14714 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (2266800).

Almost surely, 212028754 is an apocalyptic number.

12028754 is a deficient number, since it is larger than the sum of its proper divisors (6105646).

12028754 is a wasteful number, since it uses less digits than its factorization.

12028754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30424.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12028754 is about 3468.2494143299. The cubic root of 12028754 is about 229.1255643898.

The spelling of 12028754 in words is "twelve million, twenty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 199 398 30223 60446 6014377 12028754