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258229434 = 2383518533
BaseRepresentation
bin11110110010001…
…00010010111010
3122222220102012010
433121010102322
51012101320214
641342430350
76253625331
oct1731042272
9588812163
10258229434
11122844661
12725923b6
13416643a8
142641cd18
1517a0c659
hexf6444ba

258229434 has 16 divisors (see below), whose sum is σ = 522682272. Its totient is φ = 85039248.

The previous prime is 258229429. The next prime is 258229451. The reversal of 258229434 is 434922852.

258229434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 258229392 and 258229401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258769 + ... + 259764.

It is an arithmetic number, because the mean of its divisors is an integer number (32667642).

Almost surely, 2258229434 is an apocalyptic number.

258229434 is an abundant number, since it is smaller than the sum of its proper divisors (264452838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258229434 is a wasteful number, since it uses less digits than its factorization.

258229434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518621.

The product of its digits is 138240, while the sum is 39.

The square root of 258229434 is about 16069.5187855766. The cubic root of 258229434 is about 636.7983280182.

The spelling of 258229434 in words is "two hundred fifty-eight million, two hundred twenty-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 83 166 249 498 518533 1037066 1555599 3111198 43038239 86076478 129114717 258229434