Search a number
-
+
30104053 = 75321531
BaseRepresentation
bin111001011010…
…1100111110101
32002122102222221
41302311213311
530201312203
62553122341
7513610630
oct162654765
962572887
1030104053
1115aa1691
12a0b93b1
136310465
143dd8c17
152999abd
hex1cb59f5

30104053 has 12 divisors (see below), whose sum is σ = 35088928. Its totient is φ = 25300080.

The previous prime is 30104023. The next prime is 30104077. The reversal of 30104053 is 35040103.

It is not a de Polignac number, because 30104053 - 25 = 30104021 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30104023) 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, 18898 + ... + 20428.

Almost surely, 230104053 is an apocalyptic number.

It is an amenable number.

30104053 is a deficient number, since it is larger than the sum of its proper divisors (4984875).

30104053 is an equidigital number, since it uses as much as digits as its factorization.

30104053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30104053 is about 5486.7160487855. The cubic root of 30104053 is about 311.0820770193.

Adding to 30104053 its reverse (35040103), we get a palindrome (65144156).

The spelling of 30104053 in words is "thirty million, one hundred four thousand, fifty-three".

Divisors: 1 7 53 371 1531 2809 10717 19663 81143 568001 4300579 30104053