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258730001 = 1791445419
BaseRepresentation
bin11110110101111…
…10100000010001
3200000211211211122
433122332200101
51012213330001
641401252025
76261111605
oct1732764021
9600754748
10258730001
11123056752
1272794015
13417ab19a
142650d505
1517aaab1b
hexf6be811

258730001 has 4 divisors (see below), whose sum is σ = 260175600. Its totient is φ = 257284404.

The previous prime is 258729997. The next prime is 258730009. The reversal of 258730001 is 100037852.

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 258730001 - 22 = 258729997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258730009) 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, 722531 + ... + 722888.

It is an arithmetic number, because the mean of its divisors is an integer number (65043900).

Almost surely, 2258730001 is an apocalyptic number.

It is an amenable number.

258730001 is a deficient number, since it is larger than the sum of its proper divisors (1445599).

258730001 is a wasteful number, since it uses less digits than its factorization.

258730001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445598.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 258730001 is about 16085.0862913445. The cubic root of 258730001 is about 637.2095314422.

Adding to 258730001 its reverse (100037852), we get a palindrome (358767853).

The spelling of 258730001 in words is "two hundred fifty-eight million, seven hundred thirty thousand, one".

Divisors: 1 179 1445419 258730001