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38638252 = 2223439767
BaseRepresentation
bin1001001101100…
…1001010101100
32200201000201101
42103121022230
534342411002
63500052444
7646263652
oct223311254
980630641
1038638252
111a8a0544
1210b34124
13800aa93
1451badd2
1535d3587
hex24d92ac

38638252 has 24 divisors (see below), whose sum is σ = 72205056. Its totient is φ = 18047568.

The previous prime is 38638217. The next prime is 38638261. The reversal of 38638252 is 25283683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (3008544).

Almost surely, 238638252 is an apocalyptic number.

It is an amenable number.

38638252 is a deficient number, since it is larger than the sum of its proper divisors (33566804).

38638252 is a wasteful number, since it uses less digits than its factorization.

38638252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837 (or 9835 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 38638252 is about 6215.9675031326. The cubic root of 38638252 is about 338.0693694204.

The spelling of 38638252 in words is "thirty-eight million, six hundred thirty-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 23 43 46 86 92 172 989 1978 3956 9767 19534 39068 224641 419981 449282 839962 898564 1679924 9659563 19319126 38638252