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38971244 = 22132943601
BaseRepresentation
bin1001010010101…
…0011101101100
32201022221111102
42110222131230
534434034434
63511142232
7652151534
oct224523554
981287442
1038971244
111aaa8744
1211074978
1380c6510
1452664c4
15364c07e
hex252a76c

38971244 has 48 divisors (see below), whose sum is σ = 77874720. Its totient is φ = 16934400.

The previous prime is 38971243. The next prime is 38971267. The reversal of 38971244 is 44217983.

38971244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38971198 and 38971207.

It is not an unprimeable number, because it can be changed into a prime (38971243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64544 + ... + 65144.

It is an arithmetic number, because the mean of its divisors is an integer number (1622390).

Almost surely, 238971244 is an apocalyptic number.

It is an amenable number.

38971244 is a deficient number, since it is larger than the sum of its proper divisors (38903476).

38971244 is a wasteful number, since it uses less digits than its factorization.

38971244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 38971244 is about 6242.6952512517. The cubic root of 38971244 is about 339.0377753666.

Subtracting from 38971244 its sum of digits (38), we obtain a triangular number (38971206 = T8828).

The spelling of 38971244 in words is "thirty-eight million, nine hundred seventy-one thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 29 43 52 58 86 116 172 377 559 601 754 1118 1202 1247 1508 2236 2404 2494 4988 7813 15626 16211 17429 25843 31252 32422 34858 51686 64844 69716 103372 226577 335959 453154 671918 749447 906308 1343836 1498894 2997788 9742811 19485622 38971244