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2170030 = 25217003
BaseRepresentation
bin1000010001110010101110
311002020201111
420101302232
51023420110
6114302234
724305422
oct10216256
94066644
102170030
111252415
1288797a
135ac955
14406b82
152cce8a
hex211cae

2170030 has 8 divisors (see below), whose sum is σ = 3906072. Its totient is φ = 868008.

The previous prime is 2169997. The next prime is 2170039. The reversal of 2170030 is 300712.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170039) 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, 108492 + ... + 108511.

It is an arithmetic number, because the mean of its divisors is an integer number (488259).

22170030 is an apocalyptic number.

2170030 is a deficient number, since it is larger than the sum of its proper divisors (1736042).

2170030 is a wasteful number, since it uses less digits than its factorization.

2170030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217010.

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

The square root of 2170030 is about 1473.1021688939. The cubic root of 2170030 is about 129.4658556494.

Adding to 2170030 its reverse (300712), we get a palindrome (2470742).

The spelling of 2170030 in words is "two million, one hundred seventy thousand, thirty".

Divisors: 1 2 5 10 217003 434006 1085015 2170030