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3433400221 = 26831279687
BaseRepresentation
bin1100110010100101…
…1000011110011101
322212021112210200011
43030221120132131
524012422301341
61324405403221
7151040264116
oct31451303635
98767483604
103433400221
111502079449
127b9a09511
1342941b684
14247dc320d
15151653b81
hexcca5879d

3433400221 has 4 divisors (see below), whose sum is σ = 3434682592. Its totient is φ = 3432117852.

The previous prime is 3433400213. The next prime is 3433400287. The reversal of 3433400221 is 1220043343.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 3433400221 - 23 = 3433400213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3433400192 and 3433400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3433400521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637161 + ... + 642526.

It is an arithmetic number, because the mean of its divisors is an integer number (858670648).

Almost surely, 23433400221 is an apocalyptic number.

It is an amenable number.

3433400221 is a deficient number, since it is larger than the sum of its proper divisors (1282371).

3433400221 is a wasteful number, since it uses less digits than its factorization.

3433400221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282370.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3433400221 is about 58595.2235340049. The cubic root of 3433400221 is about 1508.6024554548.

Adding to 3433400221 its reverse (1220043343), we get a palindrome (4653443564).

The spelling of 3433400221 in words is "three billion, four hundred thirty-three million, four hundred thousand, two hundred twenty-one".

Divisors: 1 2683 1279687 3433400221