Search a number
-
+
258048768 = 2832771213
BaseRepresentation
bin11110110000110…
…00001100000000
3122222120020100210
433120120030000
51012030030033
641334514120
76252243525
oct1730301400
9588506323
10258048768
1112273094a
1272505940
13416000a3
14263b314c
15179c3d63
hexf618300

258048768 has 72 divisors (see below), whose sum is σ = 689833648. Its totient is φ = 85635072.

The previous prime is 258048761. The next prime is 258048773. The reversal of 258048768 is 867840852.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (258048761) 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, 212130 + ... + 213342.

Almost surely, 2258048768 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 258048768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344916824).

258048768 is an abundant number, since it is smaller than the sum of its proper divisors (431784880).

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

258048768 is a wasteful number, since it uses less digits than its factorization.

258048768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 258048768 is about 16063.8964140087. The cubic root of 258048768 is about 636.6497848592.

The spelling of 258048768 in words is "two hundred fifty-eight million, forty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 277 384 554 768 831 1108 1213 1662 2216 2426 3324 3639 4432 4852 6648 7278 8864 9704 13296 14556 17728 19408 26592 29112 35456 38816 53184 58224 70912 77632 106368 116448 155264 212736 232896 310528 336001 465792 672002 931584 1008003 1344004 2016006 2688008 4032012 5376016 8064024 10752032 16128048 21504064 32256096 43008128 64512192 86016256 129024384 258048768