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258608030 = 2525860803
BaseRepresentation
bin11110110101000…
…00101110011110
3200000121122112012
433122200232132
51012200424110
641354511222
76260063162
oct1732405636
9600548465
10258608030
11122a8304a
1272735512
1341767805
14264baca2
1517a84905
hexf6a0b9e

258608030 has 8 divisors (see below), whose sum is σ = 465494472. Its totient is φ = 103443208.

The previous prime is 258608027. The next prime is 258608039. The reversal of 258608030 is 30806852.

258608030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2586080302 = 133756226360961800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258608039) 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, 12930392 + ... + 12930411.

It is an arithmetic number, because the mean of its divisors is an integer number (58186809).

Almost surely, 2258608030 is an apocalyptic number.

258608030 is a deficient number, since it is larger than the sum of its proper divisors (206886442).

258608030 is a wasteful number, since it uses less digits than its factorization.

258608030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860810.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 258608030 is about 16081.2944130751. The cubic root of 258608030 is about 637.1093841847.

The spelling of 258608030 in words is "two hundred fifty-eight million, six hundred eight thousand, thirty".

Divisors: 1 2 5 10 25860803 51721606 129304015 258608030