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38765656 = 234845707
BaseRepresentation
bin1001001111100…
…0010001011000
32200221111111001
42103320101120
534411000111
63502514344
7650334256
oct223702130
980844431
1038765656
111a978236
1210b959b4
138053a77
1452115d6
15360b1c1
hex24f8458

38765656 has 8 divisors (see below), whose sum is σ = 72685620. Its totient is φ = 19382824.

The previous prime is 38765653. The next prime is 38765669. The reversal of 38765656 is 65656783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×387656562 = 3005552170220672, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38765653) 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 as a sum of consecutive naturals, namely, 2422846 + ... + 2422861.

Almost surely, 238765656 is an apocalyptic number.

It is an amenable number.

38765656 is a deficient number, since it is larger than the sum of its proper divisors (33919964).

38765656 is a wasteful number, since it uses less digits than its factorization.

38765656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845713 (or 4845709 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 38765656 is about 6226.2071921837. The cubic root of 38765656 is about 338.4405399030.

The spelling of 38765656 in words is "thirty-eight million, seven hundred sixty-five thousand, six hundred fifty-six".

Divisors: 1 2 4 8 4845707 9691414 19382828 38765656