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38048933 = 136147981
BaseRepresentation
bin1001000100100…
…1010010100101
32122121002022202
42101021102211
534220031213
63435304245
7641260556
oct221112245
978532282
1038048933
111a5287aa
12108ab085
137b62780
1450a632d
153518b58
hex24494a5

38048933 has 8 divisors (see below), whose sum is σ = 41648376. Its totient is φ = 34545600.

The previous prime is 38048911. The next prime is 38048951. The reversal of 38048933 is 33984083.

It can be written as a sum of positive squares in 4 ways, for example, as 2024929 + 36024004 = 1423^2 + 6002^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38048933 - 26 = 38048869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38048953) 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, 23198 + ... + 24783.

It is an arithmetic number, because the mean of its divisors is an integer number (5206047).

Almost surely, 238048933 is an apocalyptic number.

It is an amenable number.

38048933 is a deficient number, since it is larger than the sum of its proper divisors (3599443).

38048933 is a wasteful number, since it uses less digits than its factorization.

38048933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48055.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 38048933 is about 6168.3817164634. The cubic root of 38048933 is about 336.3417871524.

The spelling of 38048933 in words is "thirty-eight million, forty-eight thousand, nine hundred thirty-three".

Divisors: 1 13 61 793 47981 623753 2926841 38048933