[go: up one dir, main page]

Search a number
-
+
130403033 = 131995443
BaseRepresentation
bin1111100010111…
…00101011011001
3100002101011022222
413301130223121
5231340344113
620534553425
73142256525
oct761345331
9302334288
10130403033
1167677802
1237808875
132102a077
1413466d85
15b6ace08
hex7c5cad9

130403033 has 4 divisors (see below), whose sum is σ = 131398608. Its totient is φ = 129407460.

The previous prime is 130402981. The next prime is 130403057. The reversal of 130403033 is 330304031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330304031 = 1583208657.

It is a cyclic number.

It is not a de Polignac number, because 130403033 - 26 = 130402969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130403093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497591 + ... + 497852.

It is an arithmetic number, because the mean of its divisors is an integer number (32849652).

Almost surely, 2130403033 is an apocalyptic number.

It is an amenable number.

130403033 is a deficient number, since it is larger than the sum of its proper divisors (995575).

130403033 is an equidigital number, since it uses as much as digits as its factorization.

130403033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995574.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 130403033 is about 11419.4147398192. The cubic root of 130403033 is about 507.1026703932.

Adding to 130403033 its reverse (330304031), we get a palindrome (460707064).

The spelling of 130403033 in words is "one hundred thirty million, four hundred three thousand, thirty-three".

Divisors: 1 131 995443 130403033