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258542127 = 3261746559
BaseRepresentation
bin11110110100100…
…00101000101111
3200000111022010100
433122100220233
51012141322002
641353242143
76256400064
oct1732205057
9600438110
10258542127
11122a38588
1272703353
134174380c
14264a0c6b
1517a7011c
hexf690a2f

258542127 has 12 divisors (see below), whose sum is σ = 374063040. Its totient is φ = 172078368.

The previous prime is 258542117. The next prime is 258542173. The reversal of 258542127 is 721245852.

It is a happy number.

It is not a de Polignac number, because 258542127 - 24 = 258542111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258542091 and 258542100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258542117) 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, 17727 + ... + 28832.

It is an arithmetic number, because the mean of its divisors is an integer number (31171920).

Almost surely, 2258542127 is an apocalyptic number.

258542127 is a deficient number, since it is larger than the sum of its proper divisors (115520913).

258542127 is a wasteful number, since it uses less digits than its factorization.

258542127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47182 (or 47179 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 258542127 is about 16079.2452248232. The cubic root of 258542127 is about 637.0552598189.

Adding to 258542127 its reverse (721245852), we get a palindrome (979787979).

The spelling of 258542127 in words is "two hundred fifty-eight million, five hundred forty-two thousand, one hundred twenty-seven".

Divisors: 1 3 9 617 1851 5553 46559 139677 419031 28726903 86180709 258542127