Search a number
-
+
33413432 = 23131718899
BaseRepresentation
bin111111101110…
…1100100111000
32022212120121112
41333131210320
532023212212
63152055452
7554003153
oct177354470
968776545
1033413432
1117952008
12b234588
136bcb880
14461ac9a
152e00422
hex1fdd938

33413432 has 32 divisors (see below), whose sum is σ = 71442000. Its totient is φ = 14513664.

The previous prime is 33413417. The next prime is 33413437. The reversal of 33413432 is 23431433.

It is a super-2 number, since 2×334134322 = 2232914876037248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33413398 and 33413407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33413437) 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, 7682 + ... + 11217.

Almost surely, 233413432 is an apocalyptic number.

It is an amenable number.

33413432 is an abundant number, since it is smaller than the sum of its proper divisors (38028568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33413432 is a wasteful number, since it uses less digits than its factorization.

33413432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18935 (or 18931 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 33413432 is about 5780.4352777278. The cubic root of 33413432 is about 322.0873700389.

Adding to 33413432 its reverse (23431433), we get a palindrome (56844865).

The spelling of 33413432 in words is "thirty-three million, four hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 18899 37798 75596 151192 245687 321283 491374 642566 982748 1285132 1965496 2570264 4176679 8353358 16706716 33413432