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30004952 = 2319307643
BaseRepresentation
bin111001001110…
…1011011011000
32002110102001112
41302131123120
530140124302
62551035452
7513015665
oct162353330
962412045
1030004952
1115a3418a
12a06bb88
1362a7313
143db0a6c
15297a552
hex1c9d6d8

30004952 has 32 divisors (see below), whose sum is σ = 59505600. Its totient is φ = 14144544.

The previous prime is 30004951. The next prime is 30004967. The reversal of 30004952 is 25940003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46343 + ... + 46985.

It is an arithmetic number, because the mean of its divisors is an integer number (1859550).

Almost surely, 230004952 is an apocalyptic number.

It is an amenable number.

30004952 is a deficient number, since it is larger than the sum of its proper divisors (29500648).

30004952 is a wasteful number, since it uses less digits than its factorization.

30004952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30004952 is about 5477.6776100826. The cubic root of 30004952 is about 310.7403463385.

Adding to 30004952 its reverse (25940003), we get a palindrome (55944955).

The spelling of 30004952 in words is "thirty million, four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 307 614 643 1228 1286 2456 2572 5144 5833 11666 12217 23332 24434 46664 48868 97736 197401 394802 789604 1579208 3750619 7501238 15002476 30004952