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3890201 = 7555743
BaseRepresentation
bin1110110101110000011001
321022122100112
432311300121
51443441301
6215214105
745031460
oct16656031
97278315
103890201
112217847
121377335
13a628c3
147339d7
1551c9bb
hex3b5c19

3890201 has 4 divisors (see below), whose sum is σ = 4445952. Its totient is φ = 3334452.

The previous prime is 3890191. The next prime is 3890219. The reversal of 3890201 is 1020983.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1020983 = 8312301.

It is a cyclic number.

It is not a de Polignac number, because 3890201 - 214 = 3873817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3890261) 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, 277865 + ... + 277878.

It is an arithmetic number, because the mean of its divisors is an integer number (1111488).

Almost surely, 23890201 is an apocalyptic number.

It is an amenable number.

3890201 is a deficient number, since it is larger than the sum of its proper divisors (555751).

3890201 is an equidigital number, since it uses as much as digits as its factorization.

3890201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555750.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3890201 is about 1972.3592471961. The cubic root of 3890201 is about 157.2741501324.

The spelling of 3890201 in words is "three million, eight hundred ninety thousand, two hundred one".

Divisors: 1 7 555743 3890201