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38197144 = 2319251297
BaseRepresentation
bin1001000110110…
…1011110011000
32122212121122001
42101231132120
534234302034
63442410344
7642445636
oct221553630
978777561
1038197144
111a61a097
12109609b4
137bb507b
145104356
153547a14
hex246d798

38197144 has 16 divisors (see below), whose sum is σ = 75389400. Its totient is φ = 18093312.

The previous prime is 38197141. The next prime is 38197151. The reversal of 38197144 is 44179183.

38197144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38197141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 125497 + ... + 125800.

Almost surely, 238197144 is an apocalyptic number.

It is an amenable number.

38197144 is a deficient number, since it is larger than the sum of its proper divisors (37192256).

38197144 is a wasteful number, since it uses less digits than its factorization.

38197144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251322 (or 251318 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 38197144 is about 6180.3838068521. The cubic root of 38197144 is about 336.7779357512. Note that the first 3 decimals are identical.

The spelling of 38197144 in words is "thirty-eight million, one hundred ninety-seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 251297 502594 1005188 2010376 4774643 9549286 19098572 38197144