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38253121 = 533072351
BaseRepresentation
bin1001000111101…
…1001001000001
32122222110102021
42101323021001
534243044441
63443521441
7643101064
oct221731101
978873367
1038253121
111a658155
1210989281
137c046aa
14511a8db
1535593d1
hex247b241

38253121 has 8 divisors (see below), whose sum is σ = 39118464. Its totient is φ = 37393200.

The previous prime is 38253119. The next prime is 38253133. The reversal of 38253121 is 12135283.

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 38253121 - 21 = 38253119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38253151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15096 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 238253121 is an apocalyptic number.

It is an amenable number.

38253121 is a deficient number, since it is larger than the sum of its proper divisors (865343).

38253121 is a wasteful number, since it uses less digits than its factorization.

38253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its digits is 1440, while the sum is 25.

The square root of 38253121 is about 6184.9107511750. The cubic root of 38253121 is about 336.9423687870.

The spelling of 38253121 in words is "thirty-eight million, two hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 53 307 2351 16271 124603 721757 38253121