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130235450 = 2527932971
BaseRepresentation
bin1111100001100…
…11110000111010
3100002001122110012
413300303300322
5231320013300
620531221522
73140661122
oct760636072
9302048405
10130235450
1167572904
12377478a2
1320c9b9c7
1413421c82
15b678435
hex7c33c3a

130235450 has 24 divisors (see below), whose sum is σ = 245311680. Its totient is φ = 51433200.

The previous prime is 130235447. The next prime is 130235459. The reversal of 130235450 is 54532031.

It is a super-2 number, since 2×1302354502 = 33922544873405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130235459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12536 + ... + 20435.

It is an arithmetic number, because the mean of its divisors is an integer number (10221320).

Almost surely, 2130235450 is an apocalyptic number.

130235450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130235450 is a deficient number, since it is larger than the sum of its proper divisors (115076230).

130235450 is a wasteful number, since it uses less digits than its factorization.

130235450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33062 (or 33057 counting only the distinct ones).

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

The square root of 130235450 is about 11412.0747456367. The cubic root of 130235450 is about 506.8853487183.

Adding to 130235450 its reverse (54532031), we get a palindrome (184767481).

The spelling of 130235450 in words is "one hundred thirty million, two hundred thirty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 79 158 395 790 1975 3950 32971 65942 164855 329710 824275 1648550 2604709 5209418 13023545 26047090 65117725 130235450