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87060465 = 3252966713
BaseRepresentation
bin1010011000001…
…10111111110001
320001211010111200
411030012333301
5134241413330
612350001413
72105000412
oct514067761
9201733450
1087060465
11451638a8
12251a6269
1315062c8b
14b7c3809
15799aa60
hex5306ff1

87060465 has 24 divisors (see below), whose sum is σ = 156110760. Its totient is φ = 44830464.

The previous prime is 87060461. The next prime is 87060473. The reversal of 87060465 is 56406078.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21790224 + 65270241 = 4668^2 + 8079^2 .

It is not a de Polignac number, because 87060465 - 22 = 87060461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87060461) 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, 32052 + ... + 34661.

It is an arithmetic number, because the mean of its divisors is an integer number (6504615).

Almost surely, 287060465 is an apocalyptic number.

It is an amenable number.

87060465 is a deficient number, since it is larger than the sum of its proper divisors (69050295).

87060465 is a wasteful number, since it uses less digits than its factorization.

87060465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66753 (or 66750 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 87060465 is about 9330.6197543357. The cubic root of 87060465 is about 443.2073910006.

The spelling of 87060465 in words is "eighty-seven million, sixty thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 66713 200139 333565 600417 1000695 1934677 3002085 5804031 9673385 17412093 29020155 87060465