Search a number
-
+
38880201 = 312960067
BaseRepresentation
bin1001010001010…
…0001111001001
32201011022121110
42110110033021
534423131301
63505200533
7651322233
oct224241711
981138543
1038880201
111aa462a8
1211030149
138093c49
145241253
1536300d6
hex25143c9

38880201 has 4 divisors (see below), whose sum is σ = 51840272. Its totient is φ = 25920132.

The previous prime is 38880199. The next prime is 38880211. The reversal of 38880201 is 10208883.

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 not a de Polignac number, because 38880201 - 21 = 38880199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38880211) 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 3 ways as a sum of consecutive naturals, for example, 6480031 + ... + 6480036.

It is an arithmetic number, because the mean of its divisors is an integer number (12960068).

Almost surely, 238880201 is an apocalyptic number.

It is an amenable number.

38880201 is a deficient number, since it is larger than the sum of its proper divisors (12960071).

38880201 is a wasteful number, since it uses less digits than its factorization.

38880201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960070.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 38880201 is about 6235.3990249221. The cubic root of 38880201 is about 338.7735541870.

The spelling of 38880201 in words is "thirty-eight million, eight hundred eighty thousand, two hundred one".

Divisors: 1 3 12960067 38880201