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43289149 = 372103307
BaseRepresentation
bin1010010100100…
…0101000111101
310000110022112211
42211020220331
542040223044
64143500421
71033644301
oct245105075
9100408484
1043289149
1122487862
12125b7711
138c789a7
145a6bd01
153c01634
hex2948a3d

43289149 has 12 divisors (see below), whose sum is σ = 45069024. Its totient is φ = 41574384.

The previous prime is 43289137. The next prime is 43289159. The reversal of 43289149 is 94198234.

It is not a de Polignac number, because 43289149 - 25 = 43289117 is a prime.

It is a super-2 number, since 2×432891492 = 3747900842288402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43289159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140854 + ... + 141160.

It is an arithmetic number, because the mean of its divisors is an integer number (3755752).

Almost surely, 243289149 is an apocalyptic number.

It is an amenable number.

43289149 is a deficient number, since it is larger than the sum of its proper divisors (1779875).

43289149 is a wasteful number, since it uses less digits than its factorization.

43289149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 447 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 43289149 is about 6579.4489890872. The cubic root of 43289149 is about 351.1233268737.

The spelling of 43289149 in words is "forty-three million, two hundred eighty-nine thousand, one hundred forty-nine".

Divisors: 1 37 103 307 1369 3811 11359 31621 141007 420283 1169977 43289149