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33430030 = 253679109
BaseRepresentation
bin111111110000…
…1101000001110
32022220102101021
41333201220032
532024230110
63152304354
7554102434
oct177415016
968812337
1033430030
1117963527
12b2420ba
136c062aa
144622d54
152e052da
hex1fe1a0e

33430030 has 16 divisors (see below), whose sum is σ = 60344640. Its totient is φ = 13334112.

The previous prime is 33430027. The next prime is 33430037. The reversal of 33430030 is 3003433.

It is a super-2 number, since 2×334300302 = 2235133811601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33429986 and 33430013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33430037) 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, 885 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (3771540).

Almost surely, 233430030 is an apocalyptic number.

33430030 is a deficient number, since it is larger than the sum of its proper divisors (26914610).

33430030 is a wasteful number, since it uses less digits than its factorization.

33430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 33430030 is about 5781.8708045061. The cubic root of 33430030 is about 322.1406931178.

Adding to 33430030 its reverse (3003433), we get a palindrome (36433463).

The spelling of 33430030 in words is "thirty-three million, four hundred thirty thousand, thirty".

Divisors: 1 2 5 10 367 734 1835 3670 9109 18218 45545 91090 3343003 6686006 16715015 33430030