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38345442 = 236390907
BaseRepresentation
bin1001001001000…
…1101011100010
32200011011001120
42102101223202
534304023232
63445513110
7643634202
oct222215342
980134046
1038345442
111a710553
1210a12796
137c37715
145142402
15357692c
hex2491ae2

38345442 has 8 divisors (see below), whose sum is σ = 76690896. Its totient is φ = 12781812.

The previous prime is 38345441. The next prime is 38345443. The reversal of 38345442 is 24454383.

It is an interprime number because it is at equal distance from previous prime (38345441) and next prime (38345443).

It is a sphenic number, since it is the product of 3 distinct primes.

38345442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38345441) 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, 3195448 + ... + 3195459.

It is an arithmetic number, because the mean of its divisors is an integer number (9586362).

Almost surely, 238345442 is an apocalyptic number.

38345442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38345442 is a wasteful number, since it uses less digits than its factorization.

38345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390912.

The product of its digits is 46080, while the sum is 33.

The square root of 38345442 is about 6192.3696595084. The cubic root of 38345442 is about 337.2132126156.

The spelling of 38345442 in words is "thirty-eight million, three hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 6390907 12781814 19172721 38345442