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38622668 = 2271923821
BaseRepresentation
bin1001001101010…
…1010111001100
32200200020100012
42103111113030
534341411133
63455452352
7646200350
oct223252714
980606305
1038622668
111a88a867
1210b270b8
138003966
1451b5460
1535cdb48
hex24d55cc

38622668 has 36 divisors (see below), whose sum is σ = 81546192. Its totient is φ = 15677280.

The previous prime is 38622659. The next prime is 38622677. The reversal of 38622668 is 86622683.

38622668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38622659) and next prime (38622677).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8198 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (2265172).

Almost surely, 238622668 is an apocalyptic number.

38622668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38622668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40773096).

38622668 is an abundant number, since it is smaller than the sum of its proper divisors (42923524).

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

38622668 is a wasteful number, since it uses less digits than its factorization.

38622668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3849 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 38622668 is about 6214.7138309016. The cubic root of 38622668 is about 338.0239120368.

The spelling of 38622668 in words is "thirty-eight million, six hundred twenty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 361 532 722 1444 2527 3821 5054 7642 10108 15284 26747 53494 72599 106988 145198 290396 508193 1016386 1379381 2032772 2758762 5517524 9655667 19311334 38622668