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200131345 = 567597407
BaseRepresentation
bin10111110110111…
…00001100010001
3111221120201121001
423323130030101
5402213200340
631505302001
74650042211
oct1373341421
9457521531
10200131345
11a2a72707
1257034901
133260201b
141c818241
151288329a
hexbedc311

200131345 has 8 divisors (see below), whose sum is σ = 243742464. Its totient is φ = 157715184.

The previous prime is 200131289. The next prime is 200131387. The reversal of 200131345 is 543131002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200131345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298369 + ... + 299038.

It is an arithmetic number, because the mean of its divisors is an integer number (30467808).

Almost surely, 2200131345 is an apocalyptic number.

It is an amenable number.

200131345 is a deficient number, since it is larger than the sum of its proper divisors (43611119).

200131345 is an equidigital number, since it uses as much as digits as its factorization.

200131345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597479.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 200131345 is about 14146.7786085738. The cubic root of 200131345 is about 584.9315379984.

Adding to 200131345 its reverse (543131002), we get a palindrome (743262347).

The spelling of 200131345 in words is "two hundred million, one hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 67 335 597407 2987035 40026269 200131345