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258080328 = 233211378807
BaseRepresentation
bin11110110000111…
…11111001001000
3122222121211122200
433120133321020
51012032032303
641335320200
76252434532
oct1730377110
9588554580
10258080328
11122752630
1272520060
134161156c
14263c0852
15179cd3a3
hexf61fe48

258080328 has 96 divisors (see below), whose sum is σ = 783207360. Its totient is φ = 76083840.

The previous prime is 258080323. The next prime is 258080341. The reversal of 258080328 is 823080852.

258080328 is a `hidden beast` number, since 258 + 0 + 80 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 258080292 and 258080301.

It is not an unprimeable number, because it can be changed into a prime (258080323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24901 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (8158410).

Almost surely, 2258080328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258080328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391603680).

258080328 is an abundant number, since it is smaller than the sum of its proper divisors (525127032).

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

258080328 is a wasteful number, since it uses less digits than its factorization.

258080328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867 (or 8860 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 258080328 is about 16064.8787110267. The cubic root of 258080328 is about 636.6757384135.

The spelling of 258080328 in words is "two hundred fifty-eight million, eighty thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 37 44 66 72 74 88 99 111 132 148 198 222 264 296 333 396 407 444 666 792 814 888 1221 1332 1628 2442 2664 3256 3663 4884 7326 8807 9768 14652 17614 26421 29304 35228 52842 70456 79263 96877 105684 158526 193754 211368 290631 317052 325859 387508 581262 634104 651718 775016 871893 977577 1162524 1303436 1743786 1955154 2325048 2606872 2932731 3487572 3584449 3910308 5865462 6975144 7168898 7820616 10753347 11730924 14337796 21506694 23461848 28675592 32260041 43013388 64520082 86026776 129040164 258080328