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34200121 = 47971399
BaseRepresentation
bin1000001001110…
…1101000111001
32101100112202011
42002131220321
532223400441
63221005521
7563460544
oct202355071
971315664
1034200121
111833a06a
12b5538a1
137115977
14478385b
153008581
hex209da39

34200121 has 4 divisors (see below), whose sum is σ = 34272000. Its totient is φ = 34128244.

The previous prime is 34200113. The next prime is 34200139. The reversal of 34200121 is 12100243.

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 34200121 - 23 = 34200113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34203121) 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, 35221 + ... + 36178.

It is an arithmetic number, because the mean of its divisors is an integer number (8568000).

Almost surely, 234200121 is an apocalyptic number.

It is an amenable number.

34200121 is a deficient number, since it is larger than the sum of its proper divisors (71879).

34200121 is an equidigital number, since it uses as much as digits as its factorization.

34200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71878.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 34200121 is about 5848.0869521579. The cubic root of 34200121 is about 324.5955394637.

Adding to 34200121 its reverse (12100243), we get a palindrome (46300364).

The spelling of 34200121 in words is "thirty-four million, two hundred thousand, one hundred twenty-one".

Divisors: 1 479 71399 34200121