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87037441 is a prime number
BaseRepresentation
bin1010011000000…
…01011000000001
320001202221220221
411030001120001
5134240144231
612345303041
72104543321
oct514013001
9201687827
1087037441
1145148577
1225194a81
131505565a
14b7b9281
157993d11
hex5301601

87037441 has 2 divisors, whose sum is σ = 87037442. Its totient is φ = 87037440.

The previous prime is 87037427. The next prime is 87037453. The reversal of 87037441 is 14473078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 7756225 = 8904^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 87037441 - 223 = 78648833 is a prime.

It is a super-2 number, since 2×870374412 = 15151032271656962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87037397 and 87037406.

It is not a weakly prime, because it can be changed into another prime (87037141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43518720 + 43518721.

It is an arithmetic number, because the mean of its divisors is an integer number (43518721).

Almost surely, 287037441 is an apocalyptic number.

It is an amenable number.

87037441 is a deficient number, since it is larger than the sum of its proper divisors (1).

87037441 is an equidigital number, since it uses as much as digits as its factorization.

87037441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87037441 is about 9329.3858854696. The cubic root of 87037441 is about 443.1683173650.

It can be divided in two parts, 87037 and 441, that added together give a palindrome (87478).

The spelling of 87037441 in words is "eighty-seven million, thirty-seven thousand, four hundred forty-one".