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38324745 = 35531543
BaseRepresentation
bin1001001000110…
…0101000001001
32200010002200000
42102030220021
534302342440
63445233213
7643516644
oct222145011
980102600
1038324745
111a6a6a48
1210a02809
137c2b184
145138a5b
153570730
hex248ca09

38324745 has 24 divisors (see below), whose sum is σ = 68892096. Its totient is φ = 20439216.

The previous prime is 38324743. The next prime is 38324761. The reversal of 38324745 is 54742383.

It is a happy number.

It is not a de Polignac number, because 38324745 - 21 = 38324743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38324743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14557 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (2870504).

Almost surely, 238324745 is an apocalyptic number.

It is an amenable number.

38324745 is a deficient number, since it is larger than the sum of its proper divisors (30567351).

38324745 is an equidigital number, since it uses as much as digits as its factorization.

38324745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31563 (or 31551 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 38324745 is about 6190.6982643317. The cubic root of 38324745 is about 337.1525312798.

The spelling of 38324745 in words is "thirty-eight million, three hundred twenty-four thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 31543 94629 157715 283887 473145 851661 1419435 2554983 4258305 7664949 12774915 38324745