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61002201 = 3131564159
BaseRepresentation
bin1110100010110…
…1000111011001
311020210020021210
43220231013121
5111104032301
610015253333
71340336661
oct350550731
9136706253
1061002201
1131485947
121851a249
13c83b1a0
14815d1a1
15554ead6
hex3a2d1d9

61002201 has 8 divisors (see below), whose sum is σ = 87592960. Its totient is φ = 37539792.

The previous prime is 61002199. The next prime is 61002209. The reversal of 61002201 is 10220016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61002201 - 21 = 61002199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61002209) 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, 782041 + ... + 782118.

It is an arithmetic number, because the mean of its divisors is an integer number (10949120).

Almost surely, 261002201 is an apocalyptic number.

It is an amenable number.

61002201 is a deficient number, since it is larger than the sum of its proper divisors (26590759).

61002201 is a wasteful number, since it uses less digits than its factorization.

61002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564175.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 61002201 is about 7810.3905792220. The cubic root of 61002201 is about 393.6544528054.

Adding to 61002201 its reverse (10220016), we get a palindrome (71222217).

The spelling of 61002201 in words is "sixty-one million, two thousand, two hundred one".

Divisors: 1 3 13 39 1564159 4692477 20334067 61002201