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2097886 = 27221407
BaseRepresentation
bin1000000000001011011110
310221120202111
420000023132
51014113021
6112544234
723555200
oct10001336
93846674
102097886
11120319a
1285207a
13585b6b
143c8770
152b68e1
hex2002de

2097886 has 12 divisors (see below), whose sum is σ = 3660768. Its totient is φ = 899052.

The previous prime is 2097883. The next prime is 2097911. The reversal of 2097886 is 6887902.

It is a super-2 number, since 2×20978862 = 8802251337992, which contains 22 as substring.

It is a d-powerful number, because it can be written as 27 + 0 + 9 + 72 + 83 + 87 + 62 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10606 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (305064).

22097886 is an apocalyptic number.

2097886 is a deficient number, since it is larger than the sum of its proper divisors (1562882).

2097886 is a wasteful number, since it uses less digits than its factorization.

2097886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21423 (or 21416 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2097886 is about 1448.4080916648. The cubic root of 2097886 is about 128.0149315264.

The spelling of 2097886 in words is "two million, ninety-seven thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 49 98 21407 42814 149849 299698 1048943 2097886