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38945473 = 719129129
BaseRepresentation
bin1001010010010…
…0001011000001
32201021122010221
42110210023001
534432223343
63510423041
7652013440
oct224441301
981248127
1038945473
111aa90346
1211061a81
1380b7878
14525ad57
1536445ed
hex25242c1

38945473 has 8 divisors (see below), whose sum is σ = 44743680. Its totient is φ = 33205920.

The previous prime is 38945461. The next prime is 38945483. The reversal of 38945473 is 37454983.

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

It is a cyclic number.

It is not a de Polignac number, because 38945473 - 25 = 38945441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38945443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13228 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (5592960).

Almost surely, 238945473 is an apocalyptic number.

It is an amenable number.

38945473 is a deficient number, since it is larger than the sum of its proper divisors (5798207).

38945473 is a wasteful number, since it uses less digits than its factorization.

38945473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29327.

The product of its digits is 362880, while the sum is 43.

The square root of 38945473 is about 6240.6308174735. The cubic root of 38945473 is about 338.9630256429.

The spelling of 38945473 in words is "thirty-eight million, nine hundred forty-five thousand, four hundred seventy-three".

Divisors: 1 7 191 1337 29129 203903 5563639 38945473