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200555531 = 11109167269
BaseRepresentation
bin10111111010000…
…11110000001011
3111222101021110122
423331003300023
5402320234111
631522333455
74653460001
oct1375036013
9458337418
10200555531
11a3232380
12571ba28b
1332720117
141c8c8a71
1512918cdb
hexbf43c0b

200555531 has 8 divisors (see below), whose sum is σ = 220796400. Its totient is φ = 180649440.

The previous prime is 200555527. The next prime is 200555543. The reversal of 200555531 is 135555002.

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

It is a cyclic number.

It is not a de Polignac number, because 200555531 - 22 = 200555527 is a prime.

It is a super-2 number, since 2×2005555312 = 80445042029383922, 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 200555531.

It is not an unprimeable number, because it can be changed into a prime (200555501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82436 + ... + 84833.

It is an arithmetic number, because the mean of its divisors is an integer number (27599550).

Almost surely, 2200555531 is an apocalyptic number.

200555531 is a deficient number, since it is larger than the sum of its proper divisors (20240869).

200555531 is a wasteful number, since it uses less digits than its factorization.

200555531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167389.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 200555531 is about 14161.7629905319. The cubic root of 200555531 is about 585.3445079170.

The spelling of 200555531 in words is "two hundred million, five hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 11 109 1199 167269 1839959 18232321 200555531