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200312864 = 2553831423
BaseRepresentation
bin10111111000010…
…00100000100000
3111221220221120222
423330020200200
5402240002424
631513222212
74651426343
oct1374104040
9457827528
10200312864
11a3087024
1257101968
133266682b
141c86445a
15128bbe5e
hexbf08820

200312864 has 48 divisors (see below), whose sum is σ = 406933632. Its totient is φ = 97014528.

The previous prime is 200312863. The next prime is 200312873. The reversal of 200312864 is 468213002.

It is not an unprimeable number, because it can be changed into a prime (200312863) 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, 140057 + ... + 141479.

It is an arithmetic number, because the mean of its divisors is an integer number (8477784).

Almost surely, 2200312864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200312864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203466816).

200312864 is an abundant number, since it is smaller than the sum of its proper divisors (206620768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200312864 is a wasteful number, since it uses less digits than its factorization.

200312864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 200312864 is about 14153.1927140133. The cubic root of 200312864 is about 585.1083287346.

Adding to 200312864 its reverse (468213002), we get a palindrome (668525866).

The spelling of 200312864 in words is "two hundred million, three hundred twelve thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 53 83 106 166 212 332 424 664 848 1328 1423 1696 2656 2846 4399 5692 8798 11384 17596 22768 35192 45536 70384 75419 118109 140768 150838 236218 301676 472436 603352 944872 1206704 1889744 2413408 3779488 6259777 12519554 25039108 50078216 100156432 200312864