Search a number
-
+
258204064 = 2567120431
BaseRepresentation
bin11110110001111…
…10000110100000
3122222212010101111
433120332012200
51012100012224
641342113104
76253461346
oct1730760640
9588763344
10258204064
11122827598
127257b794
1341655991
1426413996
1517a04d94
hexf63e1a0

258204064 has 24 divisors (see below), whose sum is σ = 515930688. Its totient is φ = 127174080.

The previous prime is 258204061. The next prime is 258204071. The reversal of 258204064 is 460402852.

258204064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2582040642 = 133338677332232192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258204061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58072 + ... + 62359.

It is an arithmetic number, because the mean of its divisors is an integer number (21497112).

Almost surely, 2258204064 is an apocalyptic number.

It is an amenable number.

258204064 is a deficient number, since it is larger than the sum of its proper divisors (257726624).

258204064 is a wasteful number, since it uses less digits than its factorization.

258204064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120508 (or 120500 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 258204064 is about 16068.7293834951. The cubic root of 258204064 is about 636.7774730464. Note that the first 3 decimals are identical.

The spelling of 258204064 in words is "two hundred fifty-eight million, two hundred four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 67 134 268 536 1072 2144 120431 240862 481724 963448 1926896 3853792 8068877 16137754 32275508 64551016 129102032 258204064