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87342901 is a prime number
BaseRepresentation
bin1010011010010…
…11111100110101
320002100110221021
411031023330311
5134324433101
612400021141
72110255012
oct515137465
9202313837
1087342901
1145337018
12253017b1
13151316b9
14b858709
157a045a1
hex534bf35

87342901 has 2 divisors, whose sum is σ = 87342902. Its totient is φ = 87342900.

The previous prime is 87342883. The next prime is 87342907. The reversal of 87342901 is 10924378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 15007876 = 8505^2 + 3874^2 .

It is a cyclic number.

It is not a de Polignac number, because 87342901 - 221 = 85245749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87342907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43671450 + 43671451.

It is an arithmetic number, because the mean of its divisors is an integer number (43671451).

Almost surely, 287342901 is an apocalyptic number.

It is an amenable number.

87342901 is a deficient number, since it is larger than the sum of its proper divisors (1).

87342901 is an equidigital number, since it uses as much as digits as its factorization.

87342901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 87342901 is about 9345.7423996171. The cubic root of 87342901 is about 443.6861486916.

The spelling of 87342901 in words is "eighty-seven million, three hundred forty-two thousand, nine hundred one".