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2171314 = 21085657
BaseRepresentation
bin1000010010000110110010
311002022111001
420102012302
51023440224
6114312214
724312235
oct10220662
94068431
102171314
111253382
1288866a
135b0402
1440741c
152cd544
hex2121b2

2171314 has 4 divisors (see below), whose sum is σ = 3256974. Its totient is φ = 1085656.

The previous prime is 2171311. The next prime is 2171329. The reversal of 2171314 is 4131712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 54289 = 1455^2 + 233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2171291 and 2171300.

It is not an unprimeable number, because it can be changed into a prime (2171311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542827 + ... + 542830.

22171314 is an apocalyptic number.

2171314 is a deficient number, since it is larger than the sum of its proper divisors (1085660).

2171314 is a wasteful number, since it uses less digits than its factorization.

2171314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085659.

The product of its digits is 168, while the sum is 19.

The square root of 2171314 is about 1473.5379194306. The cubic root of 2171314 is about 129.4913854627.

It can be divided in two parts, 2171 and 314, that added together give a triangular number (2485 = T70).

The spelling of 2171314 in words is "two million, one hundred seventy-one thousand, three hundred fourteen".

Divisors: 1 2 1085657 2171314