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201369387 = 3431561003
BaseRepresentation
bin11000000000010…
…10011100101011
3112000220121212110
430000022130223
5403022310022
631552013403
74663416522
oct1400123453
9460817773
10201369387
11a373888a
1257531263
13329466ab
141ca5b4b9
1512a2a00c
hexc00a72b

201369387 has 8 divisors (see below), whose sum is σ = 274736704. Its totient is φ = 131124168.

The previous prime is 201369383. The next prime is 201369449. The reversal of 201369387 is 783963102.

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

It is not a de Polignac number, because 201369387 - 22 = 201369383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201369383) 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, 780373 + ... + 780630.

It is an arithmetic number, because the mean of its divisors is an integer number (34342088).

Almost surely, 2201369387 is an apocalyptic number.

201369387 is a deficient number, since it is larger than the sum of its proper divisors (73367317).

201369387 is a wasteful number, since it uses less digits than its factorization.

201369387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561049.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 201369387 is about 14190.4681740949. The cubic root of 201369387 is about 586.1352169264.

The spelling of 201369387 in words is "two hundred one million, three hundred sixty-nine thousand, three hundred eighty-seven".

Divisors: 1 3 43 129 1561003 4683009 67123129 201369387