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38699612 = 2272474201
BaseRepresentation
bin1001001110100…
…0001001011100
32200211010212222
42103220021130
534401341422
63501244512
7646640600
oct223501134
980733788
1038699612
111a932656
1210b63738
13802c9a3
1451d5500
1535e6842
hex24e825c

38699612 has 36 divisors (see below), whose sum is σ = 80476704. Its totient is φ = 16228800.

The previous prime is 38699611. The next prime is 38699629. The reversal of 38699612 is 21699683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38699611) 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 11 ways as a sum of consecutive naturals, for example, 7112 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (2235464).

Almost surely, 238699612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38699612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40238352).

38699612 is an abundant number, since it is smaller than the sum of its proper divisors (41777092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38699612 is a wasteful number, since it uses less digits than its factorization.

38699612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266 (or 4257 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 38699612 is about 6220.9012208843. The cubic root of 38699612 is about 338.2482333200.

The spelling of 38699612 in words is "thirty-eight million, six hundred ninety-nine thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 47 49 94 98 188 196 329 658 1316 2303 4201 4606 8402 9212 16804 29407 58814 117628 197447 205849 394894 411698 789788 823396 1382129 2764258 5528516 9674903 19349806 38699612