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30214304 = 251755541
BaseRepresentation
bin111001101000…
…0100010100000
32002212001020022
41303100202200
530213324204
62555333012
7514550231
oct163204240
962761208
1030214304
11160674aa
12a151168
13634b6b3
144027088
1529bc5be
hex1cd08a0

30214304 has 24 divisors (see below), whose sum is σ = 62984628. Its totient is φ = 14218240.

The previous prime is 30214297. The next prime is 30214319. The reversal of 30214304 is 40341203.

It can be written as a sum of positive squares in 2 ways, for example, as 29724304 + 490000 = 5452^2 + 700^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27227 + ... + 28314.

Almost surely, 230214304 is an apocalyptic number.

30214304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30214304 is an abundant number, since it is smaller than the sum of its proper divisors (32770324).

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

30214304 is a wasteful number, since it uses less digits than its factorization.

30214304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55568 (or 55560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30214304 is about 5496.7539511970. The cubic root of 30214304 is about 311.4613761781.

Adding to 30214304 its reverse (40341203), we get a palindrome (70555507).

The spelling of 30214304 in words is "thirty million, two hundred fourteen thousand, three hundred four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 55541 111082 222164 444328 888656 944197 1777312 1888394 3776788 7553576 15107152 30214304