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38153238 = 2314942677
BaseRepresentation
bin1001000110001…
…0110000010110
32122210101101220
42101202300112
534231400423
63441431210
7642203634
oct221426026
978711356
1038153238
111a59a102
121093b506
137b9b0a6
1450d2354
1535399e3
hex2462c16

38153238 has 16 divisors (see below), whose sum is σ = 76820400. Its totient is φ = 12632096.

The previous prime is 38153233. The next prime is 38153257. The reversal of 38153238 is 83235183.

It is a junction number, because it is equal to n+sod(n) for n = 38153199 and 38153208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38153233) 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, 20445 + ... + 22232.

It is an arithmetic number, because the mean of its divisors is an integer number (4801275).

Almost surely, 238153238 is an apocalyptic number.

38153238 is an abundant number, since it is smaller than the sum of its proper divisors (38667162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38153238 is a wasteful number, since it uses less digits than its factorization.

38153238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42831.

The product of its digits is 17280, while the sum is 33.

The square root of 38153238 is about 6176.8307407602. The cubic root of 38153238 is about 336.6488489519.

The spelling of 38153238 in words is "thirty-eight million, one hundred fifty-three thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 149 298 447 894 42677 85354 128031 256062 6358873 12717746 19076619 38153238