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38829045 = 3516315881
BaseRepresentation
bin1001010000011…
…1101111110101
32201001201102210
42110013233311
534420012140
63504124033
7651020133
oct224075765
981051383
1038829045
111aa10922
1211006619
138076888
14522a753
15361ed80
hex2507bf5

38829045 has 16 divisors (see below), whose sum is σ = 62511552. Its totient is φ = 20580480.

The previous prime is 38829041. The next prime is 38829059. The reversal of 38829045 is 54092883.

It is a happy number.

It is not a de Polignac number, because 38829045 - 22 = 38829041 is a prime.

It is a super-2 number, since 2×388290452 = 3015389471224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38828994 and 38829012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38829041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5496 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (3906972).

Almost surely, 238829045 is an apocalyptic number.

It is an amenable number.

38829045 is a deficient number, since it is larger than the sum of its proper divisors (23682507).

38829045 is a wasteful number, since it uses less digits than its factorization.

38829045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16052.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 38829045 is about 6231.2956116686. The cubic root of 38829045 is about 338.6249103551.

The spelling of 38829045 in words is "thirty-eight million, eight hundred twenty-nine thousand, forty-five".

Divisors: 1 3 5 15 163 489 815 2445 15881 47643 79405 238215 2588603 7765809 12943015 38829045