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61001050 = 25211197563
BaseRepresentation
bin1110100010110…
…0110101011010
311020210011201011
43220230311122
5111104013200
610015244134
71340333425
oct350546532
9136704634
1061001050
1131484aa0
121851964a
13c83a7c6
14815c9bc
15554e5ba
hex3a2cd5a

61001050 has 48 divisors (see below), whose sum is σ = 124625952. Its totient is φ = 22030400.

The previous prime is 61001033. The next prime is 61001051. The reversal of 61001050 is 5010016.

It is a super-2 number, since 2×610010502 = 7442256202205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61001050.

It is not an unprimeable number, because it can be changed into a prime (61001051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108069 + ... + 108631.

It is an arithmetic number, because the mean of its divisors is an integer number (2596374).

Almost surely, 261001050 is an apocalyptic number.

61001050 is an abundant number, since it is smaller than the sum of its proper divisors (63624902).

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

61001050 is a wasteful number, since it uses less digits than its factorization.

61001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61001050 is about 7810.3168949794. The cubic root of 61001050 is about 393.6519769432.

Adding to 61001050 its reverse (5010016), we get a palindrome (66011066).

The spelling of 61001050 in words is "sixty-one million, one thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 197 275 394 550 563 985 1126 1970 2167 2815 4334 4925 5630 6193 9850 10835 12386 14075 21670 28150 30965 54175 61930 108350 110911 154825 221822 309650 554555 1109110 1220021 2440042 2772775 5545550 6100105 12200210 30500525 61001050