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60520631 = 476719219
BaseRepresentation
bin1110011011011…
…1100010110111
311012212202200212
43212313202313
5110443130011
610001100035
71333262663
oct346674267
9135782625
1060520631
1131187056
121832761b
13c6ccc32
1480758a3
1554a708b
hex39b78b7

60520631 has 8 divisors (see below), whose sum is σ = 62734080. Its totient is φ = 58345848.

The previous prime is 60520619. The next prime is 60520657. The reversal of 60520631 is 13602506.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60520631 is a prime.

It is a super-2 number, since 2×605206312 = 7325493553276322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60520597 and 60520606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60520661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461 + ... + 12758.

It is an arithmetic number, because the mean of its divisors is an integer number (7841760).

Almost surely, 260520631 is an apocalyptic number.

60520631 is a deficient number, since it is larger than the sum of its proper divisors (2213449).

60520631 is a wasteful number, since it uses less digits than its factorization.

60520631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19333.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 60520631 is about 7779.5006909184. The cubic root of 60520631 is about 392.6158387992.

The spelling of 60520631 in words is "sixty million, five hundred twenty thousand, six hundred thirty-one".

Divisors: 1 47 67 3149 19219 903293 1287673 60520631