Search a number
-
+
33808229 = 7132329557
BaseRepresentation
bin1000000011110…
…1111101100101
32100121122011122
42000331331211
532123330404
63204343325
7560236160
oct200757545
970548148
1033808229
11180a1694
12b3a4b45
137009490
1446c0ad7
152e7c3be
hex203df65

33808229 has 32 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 24659712.

The previous prime is 33808219. The next prime is 33808301. The reversal of 33808229 is 92280833.

It is not a de Polignac number, because 33808229 - 216 = 33742693 is a prime.

It is a super-2 number, since 2×338082292 = 2285992696232882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33808219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60419 + ... + 60975.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 233808229 is an apocalyptic number.

It is an amenable number.

33808229 is a deficient number, since it is larger than the sum of its proper divisors (11188891).

33808229 is a wasteful number, since it uses less digits than its factorization.

33808229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 33808229 is about 5814.4844139442. The cubic root of 33808229 is about 323.3509494305.

The spelling of 33808229 in words is "thirty-three million, eight hundred eight thousand, two hundred twenty-nine".

Divisors: 1 7 13 23 29 91 161 203 299 377 557 667 2093 2639 3899 4669 7241 8671 12811 16153 50687 60697 89677 113071 166543 209989 371519 1165801 1469923 2600633 4829747 33808229