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61004200 = 2352305021
BaseRepresentation
bin1110100010110…
…1100110101000
311020210100000211
43220231212220
5111104113300
610015310504
71340345545
oct350554650
9136710024
1061004200
11314873a4
121851b434
13c83c07a
14815dbcc
1555504ba
hex3a2d9a8

61004200 has 24 divisors (see below), whose sum is σ = 141835230. Its totient is φ = 24401600.

The previous prime is 61004191. The next prime is 61004213. The reversal of 61004200 is 240016.

61004200 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 3 ways, for example, as 22638564 + 38365636 = 4758^2 + 6194^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152311 + ... + 152710.

Almost surely, 261004200 is an apocalyptic number.

It is an amenable number.

61004200 is an abundant number, since it is smaller than the sum of its proper divisors (80831030).

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

61004200 is a wasteful number, since it uses less digits than its factorization.

61004200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305037 (or 305028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 61004200 is about 7810.5185487265. The cubic root of 61004200 is about 393.6587526866.

Adding to 61004200 its reverse (240016), we get a palindrome (61244216).

The spelling of 61004200 in words is "sixty-one million, four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 305021 610042 1220084 1525105 2440168 3050210 6100420 7625525 12200840 15251050 30502100 61004200