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38073983 = 311228193
BaseRepresentation
bin1001000100111…
…1011001111111
32122122100200112
42101033121333
534221331413
63440020235
7641423603
oct221173177
978570615
1038073983
111a545602
121090167b
137b70cac
1450b1503
1535212a8
hex244f67f

38073983 has 4 divisors (see below), whose sum is σ = 39302208. Its totient is φ = 36845760.

The previous prime is 38073979. The next prime is 38073989. The reversal of 38073983 is 38937083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38937083 = 227171529.

It is a cyclic number.

It is not a de Polignac number, because 38073983 - 22 = 38073979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38073983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38073989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614066 + ... + 614127.

It is an arithmetic number, because the mean of its divisors is an integer number (9825552).

Almost surely, 238073983 is an apocalyptic number.

38073983 is a deficient number, since it is larger than the sum of its proper divisors (1228225).

38073983 is a wasteful number, since it uses less digits than its factorization.

38073983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228224.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38073983 is about 6170.4118987309. The cubic root of 38073983 is about 336.4155825942.

The spelling of 38073983 in words is "thirty-eight million, seventy-three thousand, nine hundred eighty-three".

Divisors: 1 31 1228193 38073983