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130433445 = 32529127787
BaseRepresentation
bin1111100011001…
…00000110100101
3100002102201001100
413301210012211
5231342332240
620535350313
73142444302
oct761440645
9302381040
10130433445
116769863a
1237822399
132103ab6c
14134740a9
15b6b6e30
hex7c641a5

130433445 has 48 divisors (see below), whose sum is σ = 236021760. Its totient is φ = 66552192.

The previous prime is 130433441. The next prime is 130433447. The reversal of 130433445 is 544334031.

It is not a de Polignac number, because 130433445 - 22 = 130433441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130433441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165342 + ... + 166128.

It is an arithmetic number, because the mean of its divisors is an integer number (4917120).

Almost surely, 2130433445 is an apocalyptic number.

130433445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130433445 is a deficient number, since it is larger than the sum of its proper divisors (105588315).

130433445 is a wasteful number, since it uses less digits than its factorization.

130433445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 130433445 is about 11420.7462540764. The cubic root of 130433445 is about 507.1420887189.

Adding to 130433445 its reverse (544334031), we get a palindrome (674767476).

The spelling of 130433445 in words is "one hundred thirty million, four hundred thirty-three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 29 45 87 127 145 261 381 435 635 787 1143 1305 1905 2361 3683 3935 5715 7083 11049 11805 18415 22823 33147 35415 55245 68469 99949 114115 165735 205407 299847 342345 499745 899541 1027035 1499235 2898521 4497705 8695563 14492605 26086689 43477815 130433445