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130236455 = 5113230507
BaseRepresentation
bin1111100001101…
…00000000100111
3100002001200211102
413300310000213
5231320031310
620531230315
73140664056
oct760640047
9302050742
10130236455
1167573638
123774839b
1320c9c2bb
141342239d
15b6788a5
hex7c34027

130236455 has 8 divisors (see below), whose sum is σ = 157667472. Its totient is φ = 103266688.

The previous prime is 130236451. The next prime is 130236481. The reversal of 130236455 is 554632031.

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

It is a cyclic number.

It is not a de Polignac number, because 130236455 - 22 = 130236451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130236451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114689 + ... + 115818.

It is an arithmetic number, because the mean of its divisors is an integer number (19708434).

Almost surely, 2130236455 is an apocalyptic number.

130236455 is a deficient number, since it is larger than the sum of its proper divisors (27431017).

130236455 is a wasteful number, since it uses less digits than its factorization.

130236455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230625.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 130236455 is about 11412.1187778607. The cubic root of 130236455 is about 506.8866525581.

Adding to 130236455 its reverse (554632031), we get a palindrome (684868486).

The spelling of 130236455 in words is "one hundred thirty million, two hundred thirty-six thousand, four hundred fifty-five".

Divisors: 1 5 113 565 230507 1152535 26047291 130236455