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33828430 = 2513924337
BaseRepresentation
bin1000000100001…
…0111001001110
32100122122212211
42001002321032
532130002210
63205021034
7560352106
oct201027116
970578784
1033828430
1118105889
12b3b477a
13701572c
1446c8206
152e8338a
hex2042e4e

33828430 has 16 divisors (see below), whose sum is σ = 61331760. Its totient is φ = 13433472.

The previous prime is 33828407. The next prime is 33828433. The reversal of 33828430 is 3482833.

It is a super-2 number, since 2×338284302 = 2288725352529800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33828392 and 33828401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33828433) 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, 10779 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (3833235).

Almost surely, 233828430 is an apocalyptic number.

33828430 is a deficient number, since it is larger than the sum of its proper divisors (27503330).

33828430 is a wasteful number, since it uses less digits than its factorization.

33828430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 33828430 is about 5816.2212818977. The cubic root of 33828430 is about 323.4153391975.

The spelling of 33828430 in words is "thirty-three million, eight hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 139 278 695 1390 24337 48674 121685 243370 3382843 6765686 16914215 33828430