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33430413 = 311143471
BaseRepresentation
bin111111110000…
…1101110001101
32022220102220110
41333201232031
532024233123
63152310233
7554103522
oct177415615
968812813
1033430413
1117963845
12b242379
136c06513
144623149
152e05493
hex1fe1b8d

33430413 has 4 divisors (see below), whose sum is σ = 44573888. Its totient is φ = 22286940.

The previous prime is 33430373. The next prime is 33430427. The reversal of 33430413 is 31403433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33430413 - 26 = 33430349 is a prime.

It is a super-2 number, since 2×334304132 = 2235185026701138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33430413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33434413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571733 + ... + 5571738.

It is an arithmetic number, because the mean of its divisors is an integer number (11143472).

Almost surely, 233430413 is an apocalyptic number.

It is an amenable number.

33430413 is a deficient number, since it is larger than the sum of its proper divisors (11143475).

33430413 is a wasteful number, since it uses less digits than its factorization.

33430413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143474.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 33430413 is about 5781.9039251790. The cubic root of 33430413 is about 322.1419233432.

Adding to 33430413 its reverse (31403433), we get a palindrome (64833846).

The spelling of 33430413 in words is "thirty-three million, four hundred thirty thousand, four hundred thirteen".

Divisors: 1 3 11143471 33430413