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30549296 = 242965839
BaseRepresentation
bin111010010001…
…0010100110000
32010111001202102
41310202110300
530310034141
63010435532
7520444001
oct164422460
963431672
1030549296
1116276158
12a292ba8
13643800b
1440b31a8
152a3699b
hex1d22530

30549296 has 20 divisors (see below), whose sum is σ = 61231200. Its totient is φ = 14747712.

The previous prime is 30549293. The next prime is 30549301. The reversal of 30549296 is 69294503.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30549293) 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, 32456 + ... + 33383.

It is an arithmetic number, because the mean of its divisors is an integer number (3061560).

Almost surely, 230549296 is an apocalyptic number.

It is an amenable number.

30549296 is an abundant number, since it is smaller than the sum of its proper divisors (30681904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30549296 is a wasteful number, since it uses less digits than its factorization.

30549296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65876 (or 65870 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 30549296 is about 5527.1417568215. The cubic root of 30549296 is about 312.6082261944.

The spelling of 30549296 in words is "thirty million, five hundred forty-nine thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 29 58 116 232 464 65839 131678 263356 526712 1053424 1909331 3818662 7637324 15274648 30549296