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34253121 = 371631101
BaseRepresentation
bin1000001010101…
…0100101000001
32101110020110010
42002222211001
532232044441
63222055133
7564101220
oct202524501
971406403
1034253121
1118375971
12b57a4a9
137133b26
144798cb7
153019116
hex20aa941

34253121 has 8 divisors (see below), whose sum is σ = 52195264. Its totient is φ = 19573200.

The previous prime is 34253119. The next prime is 34253123. The reversal of 34253121 is 12135243.

It is an interprime number because it is at equal distance from previous prime (34253119) and next prime (34253123).

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

It is not a de Polignac number, because 34253121 - 21 = 34253119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1631101 = 34253121 / (3 + 4 + 2 + 5 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34253123) 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, 815530 + ... + 815571.

It is an arithmetic number, because the mean of its divisors is an integer number (6524408).

Almost surely, 234253121 is an apocalyptic number.

It is an amenable number.

34253121 is a deficient number, since it is larger than the sum of its proper divisors (17942143).

34253121 is a wasteful number, since it uses less digits than its factorization.

34253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631111.

The product of its digits is 720, while the sum is 21.

The square root of 34253121 is about 5852.6165943106. The cubic root of 34253121 is about 324.7631283876.

Adding to 34253121 its reverse (12135243), we get a palindrome (46388364).

The spelling of 34253121 in words is "thirty-four million, two hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 3 7 21 1631101 4893303 11417707 34253121