Search a number
-
+
130253450 = 25243471289
BaseRepresentation
bin1111100001110…
…00001010001010
3100002002120010212
413300320022022
5231321102300
620531441122
73141064445
oct760701212
9302076125
10130253450
1167585388
12377561a2
1320ca6c62
141342865c
15b67d935
hex7c3828a

130253450 has 48 divisors (see below), whose sum is σ = 253376640. Its totient is φ = 49768320.

The previous prime is 130253449. The next prime is 130253479. The reversal of 130253450 is 54352031.

It is a super-2 number, since 2×1302534502 = 33931922473805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100406 + ... + 101694.

It is an arithmetic number, because the mean of its divisors is an integer number (5278680).

Almost surely, 2130253450 is an apocalyptic number.

130253450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130253450 is a deficient number, since it is larger than the sum of its proper divisors (123123190).

130253450 is a wasteful number, since it uses less digits than its factorization.

130253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130253450 is about 11412.8633567567. The cubic root of 130253450 is about 506.9087000561.

The spelling of 130253450 in words is "one hundred thirty million, two hundred fifty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 43 47 50 86 94 215 235 430 470 1075 1175 1289 2021 2150 2350 2578 4042 6445 10105 12890 20210 32225 50525 55427 60583 64450 101050 110854 121166 277135 302915 554270 605830 1385675 1514575 2605069 2771350 3029150 5210138 13025345 26050690 65126725 130253450