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89493745 = 5113152489
BaseRepresentation
bin1010101010110…
…01000011110001
320020101202100011
411111121003301
5140402244440
612514054521
72134453465
oct525310361
9206352304
1089493745
1146575a80
1225b7a441
13157056a3
14bc584a5
157ccb9ea
hex55590f1

89493745 has 16 divisors (see below), whose sum is σ = 120936960. Its totient is φ = 62985600.

The previous prime is 89493727. The next prime is 89493757. The reversal of 89493745 is 54739498.

It is not a de Polignac number, because 89493745 - 27 = 89493617 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 24540 + ... + 27949.

It is an arithmetic number, because the mean of its divisors is an integer number (7558560).

Almost surely, 289493745 is an apocalyptic number.

It is an amenable number.

89493745 is a deficient number, since it is larger than the sum of its proper divisors (31443215).

89493745 is a wasteful number, since it uses less digits than its factorization.

89493745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52536.

The product of its digits is 1088640, while the sum is 49.

The square root of 89493745 is about 9460.1133714137. The cubic root of 89493745 is about 447.2986224998.

The spelling of 89493745 in words is "eighty-nine million, four hundred ninety-three thousand, seven hundred forty-five".

Divisors: 1 5 11 31 55 155 341 1705 52489 262445 577379 1627159 2886895 8135795 17898749 89493745