Search a number
-
+
258284492 = 22611058543
BaseRepresentation
bin11110110010100…
…01101111001100
3200000000012201022
433121101233030
51012110100432
641343533312
76254245004
oct1731215714
9600005638
10258284492
11122881a64
12725ba238
134168347b
1426435004
1517a1db12
hexf651bcc

258284492 has 12 divisors (see below), whose sum is σ = 459408096. Its totient is φ = 127025040.

The previous prime is 258284489. The next prime is 258284513. The reversal of 258284492 is 294482852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529028 + ... + 529515.

It is an arithmetic number, because the mean of its divisors is an integer number (38284008).

Almost surely, 2258284492 is an apocalyptic number.

It is an amenable number.

258284492 is a deficient number, since it is larger than the sum of its proper divisors (201123604).

258284492 is a wasteful number, since it uses less digits than its factorization.

258284492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058608 (or 1058606 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 258284492 is about 16071.2318133987. The cubic root of 258284492 is about 636.8435828009.

The spelling of 258284492 in words is "two hundred fifty-eight million, two hundred eighty-four thousand, four hundred ninety-two".

Divisors: 1 2 4 61 122 244 1058543 2117086 4234172 64571123 129142246 258284492