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30214664 = 235371261
BaseRepresentation
bin111001101000…
…0101000001000
32002212001201122
41303100220020
530213332124
62555334412
7514551254
oct163205010
962761648
1030214664
11160677a7
12a151408
13634b8cc
144027264
1529bc75e
hex1cd0a08

30214664 has 16 divisors (see below), whose sum is σ = 57722220. Its totient is φ = 14822080.

The previous prime is 30214649. The next prime is 30214669. The reversal of 30214664 is 46641203.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 293764 = 5470^2 + 542^2 .

It is not an unprimeable number, because it can be changed into a prime (30214669) 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, 35207 + ... + 36054.

Almost surely, 230214664 is an apocalyptic number.

It is an amenable number.

30214664 is a deficient number, since it is larger than the sum of its proper divisors (27507556).

30214664 is a wasteful number, since it uses less digits than its factorization.

30214664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71320 (or 71316 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30214664 is about 5496.7866976989. The cubic root of 30214664 is about 311.4626131822.

Adding to 30214664 its reverse (46641203), we get a palindrome (76855867).

The spelling of 30214664 in words is "thirty million, two hundred fourteen thousand, six hundred sixty-four".

Divisors: 1 2 4 8 53 106 212 424 71261 142522 285044 570088 3776833 7553666 15107332 30214664