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89506457 is a prime number
BaseRepresentation
bin1010101010111…
…00001010011001
320020102101202222
411111130022121
5140403201312
612514233425
72134535525
oct525341231
9206371688
1089506457
1146584587
1225b85875
131570b401
14bc5cd85
157cd0672
hex555c299

89506457 has 2 divisors, whose sum is σ = 89506458. Its totient is φ = 89506456.

The previous prime is 89506423. The next prime is 89506477. The reversal of 89506457 is 75460598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57820816 + 31685641 = 7604^2 + 5629^2 .

It is a cyclic number.

It is not a de Polignac number, because 89506457 - 214 = 89490073 is a prime.

It is a super-2 number, since 2×895064572 = 16022811689385698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89506477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44753228 + 44753229.

It is an arithmetic number, because the mean of its divisors is an integer number (44753229).

Almost surely, 289506457 is an apocalyptic number.

It is an amenable number.

89506457 is a deficient number, since it is larger than the sum of its proper divisors (1).

89506457 is an equidigital number, since it uses as much as digits as its factorization.

89506457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 89506457 is about 9460.7852211114. The cubic root of 89506457 is about 447.3198001098.

The spelling of 89506457 in words is "eighty-nine million, five hundred six thousand, four hundred fifty-seven".