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258050080 = 2553834211
BaseRepresentation
bin11110110000110…
…00100000100000
3122222120022011101
433120120200200
51012030100310
641334524144
76252250411
oct1730304040
9588508141
10258050080
11122731932
1272506654
1341600872
14263b3808
15179c443a
hexf618820

258050080 has 48 divisors (see below), whose sum is σ = 611380224. Its totient is φ = 102926080.

The previous prime is 258050053. The next prime is 258050083. The reversal of 258050080 is 80050852.

It is not an unprimeable number, because it can be changed into a prime (258050083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59175 + ... + 63385.

It is an arithmetic number, because the mean of its divisors is an integer number (12737088).

Almost surely, 2258050080 is an apocalyptic number.

258050080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258050080 is an abundant number, since it is smaller than the sum of its proper divisors (353330144).

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

258050080 is a wasteful number, since it uses less digits than its factorization.

258050080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 258050080 is about 16063.9372508735. The cubic root of 258050080 is about 636.6508638324.

The spelling of 258050080 in words is "two hundred fifty-eight million, fifty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 383 766 1532 1915 3064 3830 4211 6128 7660 8422 12256 15320 16844 21055 30640 33688 42110 61280 67376 84220 134752 168440 336880 673760 1612813 3225626 6451252 8064065 12902504 16128130 25805008 32256260 51610016 64512520 129025040 258050080