Search a number
-
+
258383290 = 25113836133
BaseRepresentation
bin11110110011010…
…01110110111010
3200000012020020111
433121221312322
51012121231130
641350014534
76255136024
oct1731516672
9600166214
10258383290
1112293a210
127264744a
13416b9429
142645d014
1517a3d02a
hexf669dba

258383290 has 32 divisors (see below), whose sum is σ = 508778496. Its totient is φ = 93696960.

The previous prime is 258383269. The next prime is 258383291. The reversal of 258383290 is 92383852.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (258383291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39064 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (15899328).

Almost surely, 2258383290 is an apocalyptic number.

258383290 is a deficient number, since it is larger than the sum of its proper divisors (250395206).

258383290 is a wasteful number, since it uses less digits than its factorization.

258383290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 258383290 is about 16074.3052727015. The cubic root of 258383290 is about 636.9247734434.

The spelling of 258383290 in words is "two hundred fifty-eight million, three hundred eighty-three thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 383 766 1915 3830 4213 6133 8426 12266 21065 30665 42130 61330 67463 134926 337315 674630 2348939 4697878 11744695 23489390 25838329 51676658 129191645 258383290