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30027010 = 2513230977
BaseRepresentation
bin111001010001…
…0110100000010
32002111112022111
41302202310002
530141331020
62551325534
7513140206
oct162426402
962445274
1030027010
1115a49812
12a0808aa
1362b4380
143db8b06
152981d5a
hex1ca2d02

30027010 has 16 divisors (see below), whose sum is σ = 58206456. Its totient is φ = 11086848.

The previous prime is 30027007. The next prime is 30027013. The reversal of 30027010 is 1072003.

It is an interprime number because it is at equal distance from previous prime (30027007) and next prime (30027013).

It can be written as a sum of positive squares in 4 ways, for example, as 11269449 + 18757561 = 3357^2 + 4331^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (30027013) 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, 115359 + ... + 115618.

Almost surely, 230027010 is an apocalyptic number.

30027010 is a deficient number, since it is larger than the sum of its proper divisors (28179446).

30027010 is a wasteful number, since it uses less digits than its factorization.

30027010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230997.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 30027010 is about 5479.6906847011. The cubic root of 30027010 is about 310.8164741235.

Adding to 30027010 its reverse (1072003), we get a palindrome (31099013).

The spelling of 30027010 in words is "thirty million, twenty-seven thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 230977 461954 1154885 2309770 3002701 6005402 15013505 30027010