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38520465 = 352568031
BaseRepresentation
bin1001001011110…
…0011010010001
32200111001010220
42102330122101
534330123330
63453343253
7645263364
oct222743221
980431126
1038520465
111a81aaa5
1210a97b29
137c99299
14518a0db
1535ad710
hex24bc691

38520465 has 8 divisors (see below), whose sum is σ = 61632768. Its totient is φ = 20544240.

The previous prime is 38520437. The next prime is 38520481. The reversal of 38520465 is 56402583.

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

It is not a de Polignac number, because 38520465 - 27 = 38520337 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284001 + ... + 1284030.

It is an arithmetic number, because the mean of its divisors is an integer number (7704096).

Almost surely, 238520465 is an apocalyptic number.

It is an amenable number.

38520465 is a deficient number, since it is larger than the sum of its proper divisors (23112303).

38520465 is a wasteful number, since it uses less digits than its factorization.

38520465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568039.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 38520465 is about 6206.4857205991. The cubic root of 38520465 is about 337.7254899161.

The spelling of 38520465 in words is "thirty-eight million, five hundred twenty thousand, four hundred sixty-five".

Divisors: 1 3 5 15 2568031 7704093 12840155 38520465