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52161050 = 2521043221
BaseRepresentation
bin1100011011111…
…0101000011010
310122011001111202
43012332220122
5101323123200
65101554202
71202235014
oct306765032
9118131452
1052161050
1127497407
1215575962
13aa63c36
146cdb1b4
1548a51d5
hex31bea1a

52161050 has 12 divisors (see below), whose sum is σ = 97019646. Its totient is φ = 20864400.

The previous prime is 52161047. The next prime is 52161077. The reversal of 52161050 is 5016125.

It can be written as a sum of positive squares in 3 ways, for example, as 48874081 + 3286969 = 6991^2 + 1813^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521561 + ... + 521660.

Almost surely, 252161050 is an apocalyptic number.

52161050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52161050 is a deficient number, since it is larger than the sum of its proper divisors (44858596).

52161050 is a wasteful number, since it uses less digits than its factorization.

52161050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043233 (or 1043228 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 52161050 is about 7222.2607263931. The cubic root of 52161050 is about 373.6360524812.

Adding to 52161050 its reverse (5016125), we get a palindrome (57177175).

The spelling of 52161050 in words is "fifty-two million, one hundred sixty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 1043221 2086442 5216105 10432210 26080525 52161050