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30132010 = 2513212281
BaseRepresentation
bin111001011110…
…0011100101010
32002200212100101
41302330130222
530203211020
62553500014
7514055266
oct162743452
962625311
1030132010
1116010697
12a11160a
1363200bc
1440050a6
1529a300a
hex1cbc72a

30132010 has 16 divisors (see below), whose sum is σ = 54302472. Its totient is φ = 12038400.

The previous prime is 30131999. The next prime is 30132013. The reversal of 30132010 is 1023103.

It can be written as a sum of positive squares in 4 ways, for example, as 29387241 + 744769 = 5421^2 + 863^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30132013) 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, 12070 + ... + 14350.

Almost surely, 230132010 is an apocalyptic number.

30132010 is a deficient number, since it is larger than the sum of its proper divisors (24170462).

30132010 is a wasteful number, since it uses less digits than its factorization.

30132010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30132010 is about 5489.2631563808. The cubic root of 30132010 is about 311.1783456823.

Adding to 30132010 its reverse (1023103), we get a palindrome (31155113).

The spelling of 30132010 in words is "thirty million, one hundred thirty-two thousand, ten".

Divisors: 1 2 5 10 1321 2281 2642 4562 6605 11405 13210 22810 3013201 6026402 15066005 30132010