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34021223 = 139311787
BaseRepresentation
bin1000000111000…
…1111101100111
32101000110100022
42001301331213
532202134343
63213105355
7562114145
oct201617547
971013308
1034021223
1118227715
12b48825b
137082402
144738595
152ec0568
hex2071f67

34021223 has 8 divisors (see below), whose sum is σ = 34419840. Its totient is φ = 33625080.

The previous prime is 34021219. The next prime is 34021231. The reversal of 34021223 is 32212043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34021223 - 22 = 34021219 is a prime.

It is a super-2 number, since 2×340212232 = 2314887228831458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34021123) 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, 42836 + ... + 43622.

It is an arithmetic number, because the mean of its divisors is an integer number (4302480).

Almost surely, 234021223 is an apocalyptic number.

34021223 is a deficient number, since it is larger than the sum of its proper divisors (398617).

34021223 is a wasteful number, since it uses less digits than its factorization.

34021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34021223 is about 5832.7714681787. The cubic root of 34021223 is about 324.0285722656.

Adding to 34021223 its reverse (32212043), we get a palindrome (66233266).

The spelling of 34021223 in words is "thirty-four million, twenty-one thousand, two hundred twenty-three".

Divisors: 1 139 311 787 43229 109393 244757 34021223