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1968226 = 213176173
BaseRepresentation
bin111100000100001100010
310200222220021
413200201202
51000440401
6110104054
722505161
oct7404142
93628807
101968226
111124837
127ab02a
1353bb40
143933d8
1528d2a1
hex1e0862

1968226 has 32 divisors (see below), whose sum is σ = 3468528. Its totient is φ = 829440.

The previous prime is 1968203. The next prime is 1968233. The reversal of 1968226 is 6228691.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 403225 + 1565001 = 635^2 + 1251^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a d-powerful number, because it can be written as 1 + 94 + 67 + 82 + 210 + 210 + 68 .

It is a junction number, because it is equal to n+sod(n) for n = 1968191 and 1968200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26926 + ... + 26998.

21968226 is an apocalyptic number.

1968226 is a deficient number, since it is larger than the sum of its proper divisors (1500302).

1968226 is a wasteful number, since it uses less digits than its factorization.

1968226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its digits is 10368, while the sum is 34.

The square root of 1968226 is about 1402.9347810928. The cubic root of 1968226 is about 125.3213279457.

The spelling of 1968226 in words is "one million, nine hundred sixty-eight thousand, two hundred twenty-six".

Divisors: 1 2 13 17 26 34 61 73 122 146 221 442 793 949 1037 1241 1586 1898 2074 2482 4453 8906 13481 16133 26962 32266 57889 75701 115778 151402 984113 1968226