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30214472 = 233776809
BaseRepresentation
bin111001101000…
…0100101001000
32002212001110112
41303100211020
530213330342
62555333452
7514550561
oct163204510
962761415
1030214472
1116067642
12a151288
13634b7b2
144027168
1529bc682
hex1cd0948

30214472 has 8 divisors (see below), whose sum is σ = 56652150. Its totient is φ = 15107232.

The previous prime is 30214451. The next prime is 30214477. The reversal of 30214472 is 27441203.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 4468996 = 5074^2 + 2114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30214477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888397 + ... + 1888412.

Almost surely, 230214472 is an apocalyptic number.

It is an amenable number.

30214472 is a deficient number, since it is larger than the sum of its proper divisors (26437678).

30214472 is a wasteful number, since it uses less digits than its factorization.

30214472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776815 (or 3776811 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 30214472 is about 5496.7692329222. The cubic root of 30214472 is about 311.4619534479.

Adding to 30214472 its reverse (27441203), we get a palindrome (57655675).

The spelling of 30214472 in words is "thirty million, two hundred fourteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 3776809 7553618 15107236 30214472