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39620101 = 49979399
BaseRepresentation
bin1001011100100…
…0111000000101
32202112220120011
42113020320011
540120320401
63533110221
7660523333
oct227107005
982486504
1039620101
1120401194
1211328371
138292961
145394b53
153729451
hex25c8e05

39620101 has 4 divisors (see below), whose sum is σ = 39700000. Its totient is φ = 39540204.

The previous prime is 39620089. The next prime is 39620117. The reversal of 39620101 is 10102693.

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: 10102693 = 57717509.

It is a cyclic number.

It is not a de Polignac number, because 39620101 - 211 = 39618053 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 (39626101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39201 + ... + 40198.

It is an arithmetic number, because the mean of its divisors is an integer number (9925000).

Almost surely, 239620101 is an apocalyptic number.

It is an amenable number.

39620101 is a deficient number, since it is larger than the sum of its proper divisors (79899).

39620101 is an equidigital number, since it uses as much as digits as its factorization.

39620101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79898.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 39620101 is about 6294.4500156884. The cubic root of 39620101 is about 340.9090465853.

Adding to 39620101 its reverse (10102693), we get a palindrome (49722794).

The spelling of 39620101 in words is "thirty-nine million, six hundred twenty thousand, one hundred one".

Divisors: 1 499 79399 39620101