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32070061 = 71451691
BaseRepresentation
bin111101001010…
…1100110101101
32020100022212001
41322111212231
531202220221
63103212301
7536406502
oct172254655
966308761
1032070061
1117114791
12a8a7091
13684b28a
14438b4a9
152c37391
hex1e959ad

32070061 has 4 divisors (see below), whose sum is σ = 32521824. Its totient is φ = 31618300.

The previous prime is 32070053. The next prime is 32070113. The reversal of 32070061 is 16007023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16007023 = 25163773.

It is a cyclic number.

It is not a de Polignac number, because 32070061 - 23 = 32070053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32070011) 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, 225775 + ... + 225916.

It is an arithmetic number, because the mean of its divisors is an integer number (8130456).

Almost surely, 232070061 is an apocalyptic number.

It is an amenable number.

32070061 is a deficient number, since it is larger than the sum of its proper divisors (451763).

32070061 is an equidigital number, since it uses as much as digits as its factorization.

32070061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451762.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 32070061 is about 5663.0434397063. The cubic root of 32070061 is about 317.7117392245.

Adding to 32070061 its reverse (16007023), we get a palindrome (48077084).

The spelling of 32070061 in words is "thirty-two million, seventy thousand, sixty-one".

Divisors: 1 71 451691 32070061