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38123144 = 2323207191
BaseRepresentation
bin1001000101101…
…1011010001000
32122201212010022
42101123122020
534224420034
63441040012
7642020123
oct221333210
978655108
1038123144
111a579534
1210926008
137b8a497
1450c53ba
153530b2e
hex245b688

38123144 has 16 divisors (see below), whose sum is σ = 74589120. Its totient is φ = 18232720.

The previous prime is 38123143. The next prime is 38123147. The reversal of 38123144 is 44132183.

It is not an unprimeable number, because it can be changed into a prime (38123143) 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, 103412 + ... + 103779.

It is an arithmetic number, because the mean of its divisors is an integer number (4661820).

Almost surely, 238123144 is an apocalyptic number.

It is an amenable number.

38123144 is a deficient number, since it is larger than the sum of its proper divisors (36465976).

38123144 is a wasteful number, since it uses less digits than its factorization.

38123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207220 (or 207216 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 38123144 is about 6174.3942212982. The cubic root of 38123144 is about 336.5603132133.

The spelling of 38123144 in words is "thirty-eight million, one hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 23 46 92 184 207191 414382 828764 1657528 4765393 9530786 19061572 38123144