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38042193 = 371811533
BaseRepresentation
bin1001000100011…
…1101001010001
32122120202002010
42101013221101
534214322233
63435213133
7641232120
oct221075121
978522063
1038042193
111a523732
12108a71a9
137b5c697
1450a3ab7
153516b63
hex2447a51

38042193 has 8 divisors (see below), whose sum is σ = 57969088. Its totient is φ = 21738384.

The previous prime is 38042149. The next prime is 38042201. The reversal of 38042193 is 39124083.

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

It is not a de Polignac number, because 38042193 - 212 = 38038097 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 38042193.

It is not an unprimeable number, because it can be changed into a prime (38042293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905746 + ... + 905787.

It is an arithmetic number, because the mean of its divisors is an integer number (7246136).

Almost surely, 238042193 is an apocalyptic number.

It is an amenable number.

38042193 is a deficient number, since it is larger than the sum of its proper divisors (19926895).

38042193 is a wasteful number, since it uses less digits than its factorization.

38042193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811543.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 38042193 is about 6167.8353577248. The cubic root of 38042193 is about 336.3219260828.

The spelling of 38042193 in words is "thirty-eight million, forty-two thousand, one hundred ninety-three".

Divisors: 1 3 7 21 1811533 5434599 12680731 38042193