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34211145 = 3514915307
BaseRepresentation
bin1000001010000…
…0010101001001
32101101002212110
42002200111021
532224224040
63221132533
7563534643
oct202402511
971332773
1034211145
1118347381
12b55a149
13711a9a7
144787893
15300b980
hex20a0549

34211145 has 16 divisors (see below), whose sum is σ = 55108800. Its totient is φ = 18122304.

The previous prime is 34211131. The next prime is 34211147. The reversal of 34211145 is 54111243.

It is not a de Polignac number, because 34211145 - 25 = 34211113 is a prime.

It is a super-2 number, since 2×342111452 = 2340804884422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34211147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5419 + ... + 9888.

It is an arithmetic number, because the mean of its divisors is an integer number (3444300).

Almost surely, 234211145 is an apocalyptic number.

It is an amenable number.

34211145 is a deficient number, since it is larger than the sum of its proper divisors (20897655).

34211145 is a wasteful number, since it uses less digits than its factorization.

34211145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15464.

The product of its digits is 480, while the sum is 21.

The square root of 34211145 is about 5849.0294066623. The cubic root of 34211145 is about 324.6304122137.

Adding to 34211145 its reverse (54111243), we get a palindrome (88322388).

The spelling of 34211145 in words is "thirty-four million, two hundred eleven thousand, one hundred forty-five".

Divisors: 1 3 5 15 149 447 745 2235 15307 45921 76535 229605 2280743 6842229 11403715 34211145