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38964037 = 75566291
BaseRepresentation
bin1001010010100…
…0101101000101
32201022120121111
42110220231011
534433322122
63511045021
7652121530
oct224505505
981276544
1038964037
111aaa3292
1211070771
1380c3158
145263a17
153649d77
hex2528b45

38964037 has 4 divisors (see below), whose sum is σ = 44530336. Its totient is φ = 33397740.

The previous prime is 38964031. The next prime is 38964049. The reversal of 38964037 is 73046983.

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: 73046983 = 163448141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38964037 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 (38964031) 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, 2783139 + ... + 2783152.

It is an arithmetic number, because the mean of its divisors is an integer number (11132584).

Almost surely, 238964037 is an apocalyptic number.

It is an amenable number.

38964037 is a deficient number, since it is larger than the sum of its proper divisors (5566299).

38964037 is an equidigital number, since it uses as much as digits as its factorization.

38964037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566298.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 38964037 is about 6242.1179899134. The cubic root of 38964037 is about 339.0168745208.

The spelling of 38964037 in words is "thirty-eight million, nine hundred sixty-four thousand, thirty-seven".

Divisors: 1 7 5566291 38964037