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198023006 = 2131755813
BaseRepresentation
bin10111100110110…
…01011101011110
3111210121121111102
423303121131132
5401143214011
631352153102
74623111356
oct1363313536
9453547442
10198023006
11a1862685
1256398792
133204449c
141c429b66
15125b873b
hexbcd975e

198023006 has 8 divisors (see below), whose sum is σ = 299302344. Its totient is φ = 98255560.

The previous prime is 198023003. The next prime is 198023027. The reversal of 198023006 is 600320891.

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

It is a super-2 number, since 2×1980230062 = 78426221810552072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198023006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198023003) 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, 377645 + ... + 378168.

It is an arithmetic number, because the mean of its divisors is an integer number (37412793).

Almost surely, 2198023006 is an apocalyptic number.

198023006 is a deficient number, since it is larger than the sum of its proper divisors (101279338).

198023006 is a wasteful number, since it uses less digits than its factorization.

198023006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755946.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 198023006 is about 14072.0647383389. The cubic root of 198023006 is about 582.8702415140.

Adding to 198023006 its reverse (600320891), we get a palindrome (798343897).

The spelling of 198023006 in words is "one hundred ninety-eight million, twenty-three thousand, six".

Divisors: 1 2 131 262 755813 1511626 99011503 198023006