Search a number
-
+
30054045 = 35717113149
BaseRepresentation
bin111001010100…
…1011010011101
32002112220101210
41302221122131
530143212140
62552055033
7513312060
oct162513235
962486353
1030054045
1115a6805a
12a094479
1362c3778
143dc48d7
152989d80
hex1ca969d

30054045 has 64 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 12730368.

The previous prime is 30054043. The next prime is 30054083. The reversal of 30054045 is 54045003.

30054045 = 3652 + 3662 + ... + 5172.

It is a happy number.

It is not a de Polignac number, because 30054045 - 21 = 30054043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30054043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201631 + ... + 201779.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 230054045 is an apocalyptic number.

30054045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30054045 is a deficient number, since it is larger than the sum of its proper divisors (29043555).

30054045 is a wasteful number, since it uses less digits than its factorization.

30054045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30054045 is about 5482.1569660126. The cubic root of 30054045 is about 310.9097279725.

Adding to 30054045 its reverse (54045003), we get a palindrome (84099048).

It can be divided in two parts, 300 and 54045, that added together give a palindrome (54345).

The spelling of 30054045 in words is "thirty million, fifty-four thousand, forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 113 119 149 255 339 357 447 565 595 745 791 1043 1695 1785 1921 2235 2373 2533 3129 3955 5215 5763 7599 9605 11865 12665 13447 15645 16837 17731 28815 37995 40341 50511 53193 67235 84185 88655 117859 201705 252555 265965 286229 353577 589295 858687 1431145 1767885 2003603 4293435 6010809 10018015 30054045