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38223423 = 327606721
BaseRepresentation
bin1001000111001…
…1111000111111
32122220221200100
42101303320333
534241122143
63443132143
7642615360
oct221637077
978827610
1038223423
111a637907
1210974053
137bc4014
14510db67
1535506d3
hex2473e3f

38223423 has 12 divisors (see below), whose sum is σ = 63099088. Its totient is φ = 21841920.

The previous prime is 38223391. The next prime is 38223443. The reversal of 38223423 is 32432283.

It is not a de Polignac number, because 38223423 - 25 = 38223391 is a prime.

It is a super-2 number, since 2×382234232 = 2922060131673858, 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 (38223443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303298 + ... + 303423.

Almost surely, 238223423 is an apocalyptic number.

38223423 is a deficient number, since it is larger than the sum of its proper divisors (24875665).

38223423 is a wasteful number, since it uses less digits than its factorization.

38223423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606734 (or 606731 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 38223423 is about 6182.5094419661. The cubic root of 38223423 is about 336.8551505865.

The spelling of 38223423 in words is "thirty-eight million, two hundred twenty-three thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 63 606721 1820163 4247047 5460489 12741141 38223423