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258029 = 1631583
BaseRepresentation
bin111110111111101101
3111002221122
4332333231
531224104
65310325
72123162
oct767755
9432848
10258029
11166952
121053a5
13905a5
146a069
15516be
hex3efed

258029 has 4 divisors (see below), whose sum is σ = 259776. Its totient is φ = 256284.

The previous prime is 258023. The next prime is 258031. The reversal of 258029 is 920852.

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 a de Polignac number, because none of the positive numbers 2k-258029 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 257989 and 258007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258023) 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, 629 + ... + 954.

It is an arithmetic number, because the mean of its divisors is an integer number (64944).

2258029 is an apocalyptic number.

It is an amenable number.

258029 is a deficient number, since it is larger than the sum of its proper divisors (1747).

258029 is a wasteful number, since it uses less digits than its factorization.

258029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 258029 is about 507.9655500130. The cubic root of 258029 is about 63.6633527449.

The spelling of 258029 in words is "two hundred fifty-eight thousand, twenty-nine".

Divisors: 1 163 1583 258029