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38020117 = 127299371
BaseRepresentation
bin1001000100001…
…0010000010101
32122112121210111
42101002100111
534213120432
63434523021
7641110552
oct221022025
978477714
1038020117
111a509093
1210896471
137b52615
145099a29
153510347
hex2442415

38020117 has 4 divisors (see below), whose sum is σ = 38319616. Its totient is φ = 37720620.

The previous prime is 38020111. The next prime is 38020153. The reversal of 38020117 is 71102083.

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 38020117 - 215 = 37987349 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 (38020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149559 + ... + 149812.

It is an arithmetic number, because the mean of its divisors is an integer number (9579904).

Almost surely, 238020117 is an apocalyptic number.

It is an amenable number.

38020117 is a deficient number, since it is larger than the sum of its proper divisors (299499).

38020117 is a wasteful number, since it uses less digits than its factorization.

38020117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299498.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 38020117 is about 6166.0454912367. The cubic root of 38020117 is about 336.2568572834.

The spelling of 38020117 in words is "thirty-eight million, twenty thousand, one hundred seventeen".

Divisors: 1 127 299371 38020117