Search a number
-
+
38722023 = 331434149
BaseRepresentation
bin1001001110110…
…1100111100111
32200212021122000
42103231213213
534403101043
63501540343
7650063124
oct223554747
980767560
1038722023
111a94847a
1210b746b3
138039c52
1451dd74b
1535ed2d3
hex24ed9e7

38722023 has 8 divisors (see below), whose sum is σ = 57366000. Its totient is φ = 25814664.

The previous prime is 38721983. The next prime is 38722027. The reversal of 38722023 is 32022783.

It is not a de Polignac number, because 38722023 - 221 = 36624871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1434149 = 38722023 / (3 + 8 + 7 + 2 + 2 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38722027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717048 + ... + 717101.

It is an arithmetic number, because the mean of its divisors is an integer number (7170750).

Almost surely, 238722023 is an apocalyptic number.

38722023 is a deficient number, since it is larger than the sum of its proper divisors (18643977).

38722023 is a wasteful number, since it uses less digits than its factorization.

38722023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434158 (or 1434152 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 38722023 is about 6222.7022265251. The cubic root of 38722023 is about 338.3135140636.

The spelling of 38722023 in words is "thirty-eight million, seven hundred twenty-two thousand, twenty-three".

Divisors: 1 3 9 27 1434149 4302447 12907341 38722023