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32140121 = 132472317
BaseRepresentation
bin111101010011…
…0101101011001
32020110212221212
41322212231121
531211440441
63104512505
7540120656
oct172465531
966425855
1032140121
1117162392
12a91b735
136874130
1443a8c2d
152c4ceeb
hex1ea6b59

32140121 has 4 divisors (see below), whose sum is σ = 34612452. Its totient is φ = 29667792.

The previous prime is 32140111. The next prime is 32140127. The reversal of 32140121 is 12104123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14592400 + 17547721 = 3820^2 + 4189^2 .

It is a cyclic number.

It is not a de Polignac number, because 32140121 - 222 = 27945817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32140096 and 32140105.

It is not an unprimeable number, because it can be changed into a prime (32140127) 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, 1236146 + ... + 1236171.

It is an arithmetic number, because the mean of its divisors is an integer number (8653113).

Almost surely, 232140121 is an apocalyptic number.

It is an amenable number.

32140121 is a deficient number, since it is larger than the sum of its proper divisors (2472331).

32140121 is a wasteful number, since it uses less digits than its factorization.

32140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472330.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 32140121 is about 5669.2257848846. The cubic root of 32140121 is about 317.9429278008.

Adding to 32140121 its reverse (12104123), we get a palindrome (44244244).

The spelling of 32140121 in words is "thirty-two million, one hundred forty thousand, one hundred twenty-one".

Divisors: 1 13 2472317 32140121