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61052111 = 193213269
BaseRepresentation
bin1110100011100…
…1010011001111
311020212202202022
43220321103033
5111112131421
610020320355
71340635331
oct350712317
9136782668
1061052111
113150a39a
12185430bb
13c857b13
148173451
15555e7ab
hex3a394cf

61052111 has 4 divisors (see below), whose sum is σ = 64265400. Its totient is φ = 57838824.

The previous prime is 61052081. The next prime is 61052137. The reversal of 61052111 is 11125016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61052111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61052111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61052141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606616 + ... + 1606653.

It is an arithmetic number, because the mean of its divisors is an integer number (16066350).

Almost surely, 261052111 is an apocalyptic number.

61052111 is a deficient number, since it is larger than the sum of its proper divisors (3213289).

61052111 is a wasteful number, since it uses less digits than its factorization.

61052111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213288.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 61052111 is about 7813.5850286536. The cubic root of 61052111 is about 393.7617819268.

Adding to 61052111 its reverse (11125016), we get a palindrome (72177127).

The spelling of 61052111 in words is "sixty-one million, fifty-two thousand, one hundred eleven".

Divisors: 1 19 3213269 61052111