Search a number
-
+
259290432 = 26321014457
BaseRepresentation
bin11110111010001…
…11010101000000
3200001220022121100
433131013111000
51012334243212
641421254400
76265634532
oct1735072500
9601808540
10259290432
111233a9815
1272a04400
13419462bb
1426617852
1517b6bbdc
hexf747540

259290432 has 84 divisors (see below), whose sum is σ = 750736116. Its totient is φ = 85555200.

The previous prime is 259290407. The next prime is 259290463. The reversal of 259290432 is 234092952.

259290432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 222129216 + 37161216 = 14904^2 + 6096^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55948 + ... + 60404.

Almost surely, 2259290432 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 259290432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375368058).

259290432 is an abundant number, since it is smaller than the sum of its proper divisors (491445684).

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

259290432 is a wasteful number, since it uses less digits than its factorization.

259290432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 259290432 is about 16102.4976944572. The cubic root of 259290432 is about 637.6692828414.

The spelling of 259290432 in words is "two hundred fifty-nine million, two hundred ninety thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 101 144 192 202 288 303 404 576 606 808 909 1212 1616 1818 2424 3232 3636 4457 4848 6464 7272 8914 9696 13371 14544 17828 19392 26742 29088 35656 40113 53484 58176 71312 80226 106968 142624 160452 213936 285248 320904 427872 450157 641808 855744 900314 1283616 1350471 1800628 2567232 2700942 3601256 4051413 5401884 7202512 8102826 10803768 14405024 16205652 21607536 28810048 32411304 43215072 64822608 86430144 129645216 259290432