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39380641 = 227173483
BaseRepresentation
bin1001011000111…
…0011010100001
32202002202002021
42112032122201
540040140031
63524021441
7655505236
oct226163241
982082067
1039380641
1120258293
1211231881
13820a971
14533178d
1536cd511
hex258e6a1

39380641 has 4 divisors (see below), whose sum is σ = 39554352. Its totient is φ = 39206932.

The previous prime is 39380639. The next prime is 39380651. The reversal of 39380641 is 14608393.

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 39380641 - 21 = 39380639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39380597 and 39380606.

It is not an unprimeable number, because it can be changed into a prime (39380611) 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, 86515 + ... + 86968.

It is an arithmetic number, because the mean of its divisors is an integer number (9888588).

Almost surely, 239380641 is an apocalyptic number.

It is an amenable number.

39380641 is a deficient number, since it is larger than the sum of its proper divisors (173711).

39380641 is a wasteful number, since it uses less digits than its factorization.

39380641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173710.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 39380641 is about 6275.3996685470. The cubic root of 39380641 is about 340.2208513218.

The spelling of 39380641 in words is "thirty-nine million, three hundred eighty thousand, six hundred forty-one".

Divisors: 1 227 173483 39380641