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30506104 = 2311513313
BaseRepresentation
bin111010001011…
…1110001111000
32010101212111201
41310113301320
530302143404
63005503544
7520204036
oct164276170
963355451
1030506104
1116246762
12a271bb4
136421465
1440a1556
152a28ca4
hex1d17c78

30506104 has 16 divisors (see below), whose sum is σ = 57265920. Its totient is φ = 15235200.

The previous prime is 30506071. The next prime is 30506107. The reversal of 30506104 is 40160503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30506107) 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, 7552 + ... + 10864.

It is an arithmetic number, because the mean of its divisors is an integer number (3579120).

Almost surely, 230506104 is an apocalyptic number.

It is an amenable number.

30506104 is a deficient number, since it is larger than the sum of its proper divisors (26759816).

30506104 is a wasteful number, since it uses less digits than its factorization.

30506104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30506104 is about 5523.2331111406. The cubic root of 30506104 is about 312.4608300772.

Adding to 30506104 its reverse (40160503), we get a palindrome (70666607).

The spelling of 30506104 in words is "thirty million, five hundred six thousand, one hundred four".

Divisors: 1 2 4 8 1151 2302 3313 4604 6626 9208 13252 26504 3813263 7626526 15253052 30506104