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38829999 = 313995641
BaseRepresentation
bin1001010000011…
…1111110101111
32201001202202010
42110013332233
534420024444
63504132303
7651022665
oct224077657
981052663
1038829999
111aa1160a
1211007093
138077140
14522ac35
1536202b9
hex2507faf

38829999 has 8 divisors (see below), whose sum is σ = 55755952. Its totient is φ = 23895360.

The previous prime is 38829991. The next prime is 38830007. The reversal of 38829999 is 99992883.

It is an interprime number because it is at equal distance from previous prime (38829991) and next prime (38830007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38829999 - 23 = 38829991 is a prime.

It is a Duffinian number.

38829999 is a modest number, since divided by 9999 gives 3882 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38829991) 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, 497782 + ... + 497859.

It is an arithmetic number, because the mean of its divisors is an integer number (6969494).

Almost surely, 238829999 is an apocalyptic number.

38829999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

38829999 is a deficient number, since it is larger than the sum of its proper divisors (16925953).

38829999 is a wasteful number, since it uses less digits than its factorization.

38829999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995657.

The product of its digits is 2519424, while the sum is 57.

The square root of 38829999 is about 6231.3721602870. The cubic root of 38829999 is about 338.6276835843.

The spelling of 38829999 in words is "thirty-eight million, eight hundred twenty-nine thousand, nine hundred ninety-nine".

Divisors: 1 3 13 39 995641 2986923 12943333 38829999