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38723012 = 2219948647
BaseRepresentation
bin1001001110110…
…1110111000100
32200212022222122
42103231313010
534403114022
63501545112
7650066036
oct223556704
980768878
1038723012
111a949199
1210b75198
13803a533
1451ddc56
1535ed742
hex24eddc4

38723012 has 12 divisors (see below), whose sum is σ = 68107200. Its totient is φ = 19263816.

The previous prime is 38723011. The next prime is 38723023. The reversal of 38723012 is 21032783.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38723011) 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, 23528 + ... + 25119.

It is an arithmetic number, because the mean of its divisors is an integer number (5675600).

Almost surely, 238723012 is an apocalyptic number.

It is an amenable number.

38723012 is a deficient number, since it is larger than the sum of its proper divisors (29384188).

38723012 is a wasteful number, since it uses less digits than its factorization.

38723012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48850 (or 48848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 38723012 is about 6222.7816931016. The cubic root of 38723012 is about 338.3163943299.

Adding to 38723012 its reverse (21032783), we get a palindrome (59755795).

The spelling of 38723012 in words is "thirty-eight million, seven hundred twenty-three thousand, twelve".

Divisors: 1 2 4 199 398 796 48647 97294 194588 9680753 19361506 38723012