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3145029 = 31048343
BaseRepresentation
bin1011111111110101000101
312220210011120
423333311011
51301120104
6151224153
735506116
oct13776505
95823146
103145029
1118589a8
121078059
13861684
145bc20d
15421cd9
hex2ffd45

3145029 has 4 divisors (see below), whose sum is σ = 4193376. Its totient is φ = 2096684.

The previous prime is 3145027. The next prime is 3145049. The reversal of 3145029 is 9205413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3145029 - 21 = 3145027 is a prime.

It is a D-number.

3145029 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524169 + ... + 524174.

It is an arithmetic number, because the mean of its divisors is an integer number (1048344).

Almost surely, 23145029 is an apocalyptic number.

It is an amenable number.

3145029 is a deficient number, since it is larger than the sum of its proper divisors (1048347).

3145029 is a wasteful number, since it uses less digits than its factorization.

3145029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048346.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3145029 is about 1773.4229613942. The cubic root of 3145029 is about 146.5125694426.

The spelling of 3145029 in words is "three million, one hundred forty-five thousand, twenty-nine".

Divisors: 1 3 1048343 3145029