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43020130 = 254302013
BaseRepresentation
bin1010010000011…
…0111101100010
32222221122112011
42210012331202
542003121010
64134023134
71031444056
oct244067542
988848464
1043020130
112231372a
12124a7aaa
138bb33ca
1459dbc66
153b9ba8a
hex2906f62

43020130 has 8 divisors (see below), whose sum is σ = 77436252. Its totient is φ = 17208048.

The previous prime is 43020127. The next prime is 43020139. The reversal of 43020130 is 3102034.

It can be written as a sum of positive squares in 2 ways, for example, as 42081169 + 938961 = 6487^2 + 969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 43020130.

It is not an unprimeable number, because it can be changed into a prime (43020139) 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, 2150997 + ... + 2151016.

Almost surely, 243020130 is an apocalyptic number.

43020130 is a deficient number, since it is larger than the sum of its proper divisors (34416122).

43020130 is a wasteful number, since it uses less digits than its factorization.

43020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302020.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 43020130 is about 6558.9732428178. The cubic root of 43020130 is about 350.3944668146.

Adding to 43020130 its reverse (3102034), we get a palindrome (46122164).

The spelling of 43020130 in words is "forty-three million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 4302013 8604026 21510065 43020130