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34043018 = 217021509
BaseRepresentation
bin1000000111011…
…1010010001010
32101001120020112
42001313102022
532203334033
63213354322
7562234532
oct201672212
971046215
1034043018
1118242029
12b4989a2
13708c2c9
1447424c2
152ec6c48
hex207748a

34043018 has 4 divisors (see below), whose sum is σ = 51064530. Its totient is φ = 17021508.

The previous prime is 34043017. The next prime is 34043021. The reversal of 34043018 is 81034043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81034043 = 593136651.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 15578809 = 4297^2 + 3947^2 .

It is a super-4 number, since 4×340430184 (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34042984 and 34043002.

It is not an unprimeable number, because it can be changed into a prime (34043011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8510753 + ... + 8510756.

Almost surely, 234043018 is an apocalyptic number.

34043018 is a deficient number, since it is larger than the sum of its proper divisors (17021512).

34043018 is a wasteful number, since it uses less digits than its factorization.

34043018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021511.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 34043018 is about 5834.6394918624. The cubic root of 34043018 is about 324.0977515853.

Subtracting 34043018 from its reverse (81034043), we obtain a square (46991025 = 68552).

The spelling of 34043018 in words is "thirty-four million, forty-three thousand, eighteen".

Divisors: 1 2 17021509 34043018