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30070203 = 367149603
BaseRepresentation
bin111001010110…
…1010110111011
32002120201120020
41302231112323
530144221303
62552301523
7513410142
oct162552673
962521506
1030070203
1115a79209
12a0a18a3
1362cac27
143dca759
15298ea53
hex1cad5bb

30070203 has 8 divisors (see below), whose sum is σ = 40692288. Its totient is φ = 19747464.

The previous prime is 30070181. The next prime is 30070211. The reversal of 30070203 is 30207003.

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

It is not a de Polignac number, because 30070203 - 218 = 29808059 is a prime.

It is a super-2 number, since 2×300702032 = 1808434216922418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30070213) 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, 74601 + ... + 75002.

It is an arithmetic number, because the mean of its divisors is an integer number (5086536).

Almost surely, 230070203 is an apocalyptic number.

30070203 is a deficient number, since it is larger than the sum of its proper divisors (10622085).

30070203 is a wasteful number, since it uses less digits than its factorization.

30070203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149673.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 30070203 is about 5483.6304580086. The cubic root of 30070203 is about 310.9654362735.

Adding to 30070203 its reverse (30207003), we get a palindrome (60277206).

The spelling of 30070203 in words is "thirty million, seventy thousand, two hundred three".

Divisors: 1 3 67 201 149603 448809 10023401 30070203