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258930134 = 2129465067
BaseRepresentation
bin11110110111011…
…11010111010110
3200001020000100222
433123233113112
51012241231014
641405434342
76262604231
oct1733572726
9601200328
10258930134
11123183051
127286b9b2
134184b2c8
1426562418
1517aea08e
hexf6ef5d6

258930134 has 4 divisors (see below), whose sum is σ = 388395204. Its totient is φ = 129465066.

The previous prime is 258930079. The next prime is 258930169. The reversal of 258930134 is 431039852.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 258930094 and 258930103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64732532 + ... + 64732535.

It is an arithmetic number, because the mean of its divisors is an integer number (97098801).

Almost surely, 2258930134 is an apocalyptic number.

258930134 is a deficient number, since it is larger than the sum of its proper divisors (129465070).

258930134 is a wasteful number, since it uses less digits than its factorization.

258930134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129465069.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 258930134 is about 16091.3061620243. The cubic root of 258930134 is about 637.3737873426.

Adding to 258930134 its reverse (431039852), we get a palindrome (689969986).

It can be divided in two parts, 2589 and 30134, that added together give a palindrome (32723).

The spelling of 258930134 in words is "two hundred fifty-eight million, nine hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 129465067 258930134