Search a number
-
+
258474852 = 223253135469
BaseRepresentation
bin11110110100000…
…00001101100100
3200000100212211200
433122000031210
51012132143402
641352002500
76255666666
oct1732001544
9600325750
10258474852
111229a1a89
1272690430
134171bccc
1426484536
1517a5a21c
hexf680364

258474852 has 36 divisors (see below), whose sum is σ = 665699580. Its totient is φ = 84532032.

The previous prime is 258474847. The next prime is 258474877.

258474852 is nontrivially palindromic in base 10.

It is a Cunningham number, because it is equal to 6373-1.

It can be written as a sum of positive squares in 2 ways, for example, as 141705216 + 116769636 = 11904^2 + 10806^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 258474798 and 258474807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65827 + ... + 69642.

It is an arithmetic number, because the mean of its divisors is an integer number (18491655).

Almost surely, 2258474852 is an apocalyptic number.

It is an amenable number.

258474852 is an abundant number, since it is smaller than the sum of its proper divisors (407224728).

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

258474852 is a wasteful number, since it uses less digits than its factorization.

258474852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135532 (or 135527 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 258474852 is about 16077.1531061939. The cubic root of 258474852 is about 636.9999991785. Note that the first 6 decimals are identical.

The spelling of 258474852 in words is "two hundred fifty-eight million, four hundred seventy-four thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 135469 270938 406407 541876 812814 1219221 1625628 2438442 4876884 7179857 14359714 21539571 28719428 43079142 64618713 86158284 129237426 258474852