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2092161 = 3697387
BaseRepresentation
bin111111110110010000001
310221021220110
413332302001
51013422121
6112501533
723532411
oct7766201
93837813
102092161
1111a9965
1284a8a9
13583386
143c6641
152b4d76
hex1fec81

2092161 has 4 divisors (see below), whose sum is σ = 2789552. Its totient is φ = 1394772.

The previous prime is 2092133. The next prime is 2092163. The reversal of 2092161 is 1612902.

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 de Polignac number, because none of the positive numbers 2k-2092161 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2092163) 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, 348691 + ... + 348696.

It is an arithmetic number, because the mean of its divisors is an integer number (697388).

22092161 is an apocalyptic number.

It is an amenable number.

2092161 is a deficient number, since it is larger than the sum of its proper divisors (697391).

2092161 is an equidigital number, since it uses as much as digits as its factorization.

2092161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697390.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2092161 is about 1446.4304338612. The cubic root of 2092161 is about 127.8983771852.

The spelling of 2092161 in words is "two million, ninety-two thousand, one hundred sixty-one".

Divisors: 1 3 697387 2092161