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200122331 = 1391439729
BaseRepresentation
bin10111110110110…
…01111111011011
3111221120021020012
423323121333123
5402212403311
631505152135
74650004013
oct1373317733
9457507205
10200122331
11a2a66962
125702b64b
13325caba6
141c814c43
151288078b
hexbed9fdb

200122331 has 4 divisors (see below), whose sum is σ = 201562200. Its totient is φ = 198682464.

The previous prime is 200122327. The next prime is 200122337. The reversal of 200122331 is 133221002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200122331 - 22 = 200122327 is a prime.

It is a super-2 number, since 2×2001223312 = 80097894729747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122337) 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, 719726 + ... + 720003.

It is an arithmetic number, because the mean of its divisors is an integer number (50390550).

Almost surely, 2200122331 is an apocalyptic number.

200122331 is a deficient number, since it is larger than the sum of its proper divisors (1439869).

200122331 is a wasteful number, since it uses less digits than its factorization.

200122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439868.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200122331 is about 14146.4600165554. The cubic root of 200122331 is about 584.9227560124.

Adding to 200122331 its reverse (133221002), we get a palindrome (333343333).

It can be divided in two parts, 2001 and 22331, that multiplied together give a triangular number (44684331 = T9453).

The spelling of 200122331 in words is "two hundred million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 139 1439729 200122331