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201001250 = 2544012
BaseRepresentation
bin10111111101100…
…00100100100010
3112000012220212202
423332300210202
5402424020000
631540053202
74660324322
oct1376604442
9460186782
10201001250
11a350723a
1257394202
1332847c68
141c9a3282
15129a5dd5
hexbfb0922

201001250 has 30 divisors (see below), whose sum is σ = 377698629. Its totient is φ = 80200000.

The previous prime is 201001243. The next prime is 201001277. The reversal of 201001250 is 52100102.

201001250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 30724849 + 170276401 = 5543^2 + 13049^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10025.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 501050 + ... + 501450.

Almost surely, 2201001250 is an apocalyptic number.

201001250 is a deficient number, since it is larger than the sum of its proper divisors (176697379).

201001250 is an frugal number, since it uses more digits than its factorization.

201001250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 201001250 is about 14177.4909627903. The cubic root of 201001250 is about 585.7778145590. Note that the first 3 decimals are identical.

Adding to 201001250 its reverse (52100102), we get a palindrome (253101352).

The spelling of 201001250 in words is "two hundred one million, one thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 401 625 802 1250 2005 4010 10025 20050 50125 100250 160801 250625 321602 501250 804005 1608010 4020025 8040050 20100125 40200250 100500625 201001250