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38505316 = 2289108161
BaseRepresentation
bin1001001011100…
…0101101100100
32200110021100211
42102320231210
534324132231
63453145204
7645201253
oct222705544
980407324
1038505316
111a80a683
1210a8b204
137c92415
14518479a
1535a8eb1
hex24b8b64

38505316 has 12 divisors (see below), whose sum is σ = 68142060. Its totient is φ = 19036160.

The previous prime is 38505307. The next prime is 38505319. The reversal of 38505316 is 61350583.

It can be written as a sum of positive squares in 2 ways, for example, as 18524416 + 19980900 = 4304^2 + 4470^2 .

It is not an unprimeable number, because it can be changed into a prime (38505319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53725 + ... + 54436.

It is an arithmetic number, because the mean of its divisors is an integer number (5678505).

Almost surely, 238505316 is an apocalyptic number.

It is an amenable number.

38505316 is a deficient number, since it is larger than the sum of its proper divisors (29636744).

38505316 is a wasteful number, since it uses less digits than its factorization.

38505316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108254 (or 108252 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 38505316 is about 6205.2651836968. The cubic root of 38505316 is about 337.6812115108.

Adding to 38505316 its reverse (61350583), we get a palindrome (99855899).

The spelling of 38505316 in words is "thirty-eight million, five hundred five thousand, three hundred sixteen".

Divisors: 1 2 4 89 178 356 108161 216322 432644 9626329 19252658 38505316