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200551213 = 1941257447
BaseRepresentation
bin10111111010000…
…10101100101101
3111222101001112201
423331002230231
5402320114323
631522301501
74653441262
oct1375025455
9458331481
10200551213
11a322a105
12571b7891
133271b175
141c8c7269
15129178ad
hexbf42b2d

200551213 has 8 divisors (see below), whose sum is σ = 216256320. Its totient is φ = 185361120.

The previous prime is 200551201. The next prime is 200551223. The reversal of 200551213 is 312155002.

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 200551213 - 25 = 200551181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200551223) 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, 127945 + ... + 129502.

It is an arithmetic number, because the mean of its divisors is an integer number (27032040).

Almost surely, 2200551213 is an apocalyptic number.

It is an amenable number.

200551213 is a deficient number, since it is larger than the sum of its proper divisors (15705107).

200551213 is a wasteful number, since it uses less digits than its factorization.

200551213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257507.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 200551213 is about 14161.6105369411. The cubic root of 200551213 is about 585.3403070261.

The spelling of 200551213 in words is "two hundred million, five hundred fifty-one thousand, two hundred thirteen".

Divisors: 1 19 41 779 257447 4891493 10555327 200551213