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12028670 = 251202867
BaseRepresentation
bin101101111000…
…101011111110
3211122010020022
4231320223332
511034404140
61105452142
7204146003
oct55705376
924563208
1012028670
116876355
124041052
132652074
1418518aa
1510c90b5
hexb78afe

12028670 has 8 divisors (see below), whose sum is σ = 21651624. Its totient is φ = 4811464.

The previous prime is 12028669. The next prime is 12028693. The reversal of 12028670 is 7682021.

12028670 = 7662 + 7672 + ... + 7852.

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

It is a super-3 number, since 3×120286703 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601424 + ... + 601443.

It is an arithmetic number, because the mean of its divisors is an integer number (2706453).

Almost surely, 212028670 is an apocalyptic number.

12028670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12028670 is a deficient number, since it is larger than the sum of its proper divisors (9622954).

12028670 is a wasteful number, since it uses less digits than its factorization.

12028670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202874.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12028670 is about 3468.2373044531. The cubic root of 12028670 is about 229.1250310402.

The spelling of 12028670 in words is "twelve million, twenty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 1202867 2405734 6014335 12028670