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87054823 is a prime number
BaseRepresentation
bin1010011000001…
…01100111100111
320001210211202201
411030011213213
5134241223243
612345515331
72104645102
oct514054747
9201724681
1087054823
114515a639
12251a2b47
131506053b
14b7c1739
15799904d
hex53059e7

87054823 has 2 divisors, whose sum is σ = 87054824. Its totient is φ = 87054822.

The previous prime is 87054787. The next prime is 87054859. The reversal of 87054823 is 32845078.

It is a balanced prime because it is at equal distance from previous prime (87054787) and next prime (87054859).

It is a cyclic number.

It is not a de Polignac number, because 87054823 - 29 = 87054311 is a prime.

It is a super-2 number, since 2×870548232 = 15157084415122658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87054883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43527411 + 43527412.

It is an arithmetic number, because the mean of its divisors is an integer number (43527412).

Almost surely, 287054823 is an apocalyptic number.

87054823 is a deficient number, since it is larger than the sum of its proper divisors (1).

87054823 is an equidigital number, since it uses as much as digits as its factorization.

87054823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 87054823 is about 9330.3174115354. The cubic root of 87054823 is about 443.1978166964.

The spelling of 87054823 in words is "eighty-seven million, fifty-four thousand, eight hundred twenty-three".