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38225871 = 331415773
BaseRepresentation
bin1001000111010…
…0011111001111
32122221002001000
42101310133033
534241211441
63443151343
7642625455
oct221643717
978832030
1038225871
111a639732
1210975553
137bc5178
1451109d5
1535512b6
hex24747cf

38225871 has 8 divisors (see below), whose sum is σ = 56630960. Its totient is φ = 25483896.

The previous prime is 38225851. The next prime is 38225893. The reversal of 38225871 is 17852283.

It is not a de Polignac number, because 38225871 - 222 = 34031567 is a prime.

It is a super-2 number, since 2×382258712 = 2922434427417282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38225851) 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, 707860 + ... + 707913.

It is an arithmetic number, because the mean of its divisors is an integer number (7078870).

Almost surely, 238225871 is an apocalyptic number.

38225871 is a deficient number, since it is larger than the sum of its proper divisors (18405089).

38225871 is a wasteful number, since it uses less digits than its factorization.

38225871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415782 (or 1415776 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 38225871 is about 6182.7074166582. The cubic root of 38225871 is about 336.8623416729.

The spelling of 38225871 in words is "thirty-eight million, two hundred twenty-five thousand, eight hundred seventy-one".

Divisors: 1 3 9 27 1415773 4247319 12741957 38225871