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60520071 = 3291734021
BaseRepresentation
bin1110011011011…
…1011010000111
311012212201221010
43212313122013
5110443120241
610001053303
71333261233
oct346673207
9135781833
1060520071
1131186697
1218327233
13c6cc8c1
1480755c3
1554a6d16
hex39b7687

60520071 has 16 divisors (see below), whose sum is σ = 83979360. Its totient is φ = 38720640.

The previous prime is 60520063. The next prime is 60520087. The reversal of 60520071 is 17002506.

It is not a de Polignac number, because 60520071 - 23 = 60520063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60520001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13041 + ... + 17061.

It is an arithmetic number, because the mean of its divisors is an integer number (5248710).

Almost surely, 260520071 is an apocalyptic number.

60520071 is a deficient number, since it is larger than the sum of its proper divisors (23459289).

60520071 is a wasteful number, since it uses less digits than its factorization.

60520071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 60520071 is about 7779.4646988080. The cubic root of 60520071 is about 392.6146278317.

Adding to 60520071 its reverse (17002506), we get a palindrome (77522577).

The spelling of 60520071 in words is "sixty million, five hundred twenty thousand, seventy-one".

Divisors: 1 3 29 87 173 519 4021 5017 12063 15051 116609 349827 695633 2086899 20173357 60520071