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38358253 = 311237363
BaseRepresentation
bin1001001001010…
…0110011101101
32200011210122001
42102110303231
534304431003
63450052301
7644016433
oct222246355
980153561
1038358253
111a71a13a
1210a1a091
137c404bb
145146d53
15357a61d
hex2494ced

38358253 has 4 divisors (see below), whose sum is σ = 39595648. Its totient is φ = 37120860.

The previous prime is 38358223. The next prime is 38358259. The reversal of 38358253 is 35285383.

38358253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38358253 - 29 = 38357741 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 (38358259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618651 + ... + 618712.

It is an arithmetic number, because the mean of its divisors is an integer number (9898912).

Almost surely, 238358253 is an apocalyptic number.

It is an amenable number.

38358253 is a deficient number, since it is larger than the sum of its proper divisors (1237395).

38358253 is a wasteful number, since it uses less digits than its factorization.

38358253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237394.

The product of its digits is 86400, while the sum is 37.

The square root of 38358253 is about 6193.4039913443. The cubic root of 38358253 is about 337.2507621237.

The spelling of 38358253 in words is "thirty-eight million, three hundred fifty-eight thousand, two hundred fifty-three".

Divisors: 1 31 1237363 38358253