Search a number
-
+
38306156 = 2271368077
BaseRepresentation
bin1001001000100…
…0000101101100
32200002011011112
42102020011230
534301244111
63445011152
7643411520
oct222100554
980064145
1038306156
111a693a89
12109b3ab8
137c22885
145131d80
153569e8b
hex248816c

38306156 has 12 divisors (see below), whose sum is σ = 76612368. Its totient is φ = 16416912.

The previous prime is 38306153. The next prime is 38306161. The reversal of 38306156 is 65160383.

38306156 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38306153) 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, 684011 + ... + 684066.

It is an arithmetic number, because the mean of its divisors is an integer number (6384364).

Almost surely, 238306156 is an apocalyptic number.

It is an amenable number.

38306156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38306156 is a wasteful number, since it uses less digits than its factorization.

38306156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368088 (or 1368086 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 38306156 is about 6189.1967168608. The cubic root of 38306156 is about 337.0980117435.

The spelling of 38306156 in words is "thirty-eight million, three hundred six thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 1368077 2736154 5472308 9576539 19153078 38306156