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38348481 = 3172832657
BaseRepresentation
bin1001001001001…
…0011011000001
32200011022020010
42102102123001
534304122411
63445535133
7643646103
oct222223301
980138203
1038348481
111a712866
1210a144a9
137c38c12
145143573
1535777a6
hex24926c1

38348481 has 16 divisors (see below), whose sum is σ = 54350784. Its totient is φ = 23967744.

The previous prime is 38348473. The next prime is 38348483. The reversal of 38348481 is 18484383.

It is not a de Polignac number, because 38348481 - 23 = 38348473 is a prime.

It is a super-2 number, since 2×383484812 = 2941211990014722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38348483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13105 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (3396924).

Almost surely, 238348481 is an apocalyptic number.

It is an amenable number.

38348481 is a deficient number, since it is larger than the sum of its proper divisors (16002303).

38348481 is a wasteful number, since it uses less digits than its factorization.

38348481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its digits is 73728, while the sum is 39.

The square root of 38348481 is about 6192.6150372843. The cubic root of 38348481 is about 337.2221207920. Note that the first 3 decimals are identical.

The spelling of 38348481 in words is "thirty-eight million, three hundred forty-eight thousand, four hundred eighty-one".

Divisors: 1 3 17 51 283 849 2657 4811 7971 14433 45169 135507 751931 2255793 12782827 38348481