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87370753 is a prime number
BaseRepresentation
bin1010011010100…
…10110000000001
320002101220010211
411031102300001
5134331331003
612400354121
72110432141
oct515226001
9202356124
1087370753
1145355a38
1225315941
1315141292
14b864921
157a0c96d
hex5352c01

87370753 has 2 divisors, whose sum is σ = 87370754. Its totient is φ = 87370752.

The previous prime is 87370733. The next prime is 87370763. The reversal of 87370753 is 35707378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55696369 + 31674384 = 7463^2 + 5628^2 .

It is a cyclic number.

It is not a de Polignac number, because 87370753 - 217 = 87239681 is a prime.

It is a super-3 number, since 3×873707533 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (87370733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43685376 + 43685377.

It is an arithmetic number, because the mean of its divisors is an integer number (43685377).

Almost surely, 287370753 is an apocalyptic number.

It is an amenable number.

87370753 is a deficient number, since it is larger than the sum of its proper divisors (1).

87370753 is an equidigital number, since it uses as much as digits as its factorization.

87370753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 87370753 is about 9347.2323711353. The cubic root of 87370753 is about 443.7333047213.

The spelling of 87370753 in words is "eighty-seven million, three hundred seventy thousand, seven hundred fifty-three".