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60972287 = 232650969
BaseRepresentation
bin1110100010010…
…1110011111111
311020201201020212
43220211303333
5111102103122
610014503035
71340153525
oct350456377
9136651225
1060972287
1131465422
1218504a7b
13c82a69c
148152315
155545ce2
hex3a25cff

60972287 has 4 divisors (see below), whose sum is σ = 63623280. Its totient is φ = 58321296.

The previous prime is 60972281. The next prime is 60972341. The reversal of 60972287 is 78227906.

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

It is a cyclic number.

It is not a de Polignac number, because 60972287 - 214 = 60955903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60972281) 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 3 ways as a sum of consecutive naturals, for example, 1325462 + ... + 1325507.

It is an arithmetic number, because the mean of its divisors is an integer number (15905820).

Almost surely, 260972287 is an apocalyptic number.

60972287 is a deficient number, since it is larger than the sum of its proper divisors (2650993).

60972287 is a wasteful number, since it uses less digits than its factorization.

60972287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650992.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 60972287 is about 7808.4753313307. The cubic root of 60972287 is about 393.5900960855.

The spelling of 60972287 in words is "sixty million, nine hundred seventy-two thousand, two hundred eighty-seven".

Divisors: 1 23 2650969 60972287