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12028258 = 211546739
BaseRepresentation
bin101101111000…
…100101100010
3211122002200001
4231320211202
511034401013
61105450214
7204144544
oct55704542
924562601
1012028258
116876010
12404096a
132651b18
141851694
1510c8ddd
hexb78962

12028258 has 8 divisors (see below), whose sum is σ = 19682640. Its totient is φ = 5467380.

The previous prime is 12028253. The next prime is 12028267. The reversal of 12028258 is 85282021.

12028258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (12028253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273348 + ... + 273391.

It is an arithmetic number, because the mean of its divisors is an integer number (2460330).

Almost surely, 212028258 is an apocalyptic number.

12028258 is a deficient number, since it is larger than the sum of its proper divisors (7654382).

12028258 is a wasteful number, since it uses less digits than its factorization.

12028258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546752.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 12028258 is about 3468.1779077781. The cubic root of 12028258 is about 229.1224150516.

The spelling of 12028258 in words is "twelve million, twenty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 11 22 546739 1093478 6014129 12028258