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1968201 = 32297541
BaseRepresentation
bin111100000100001001001
310200222212100
413200201021
51000440301
6110104013
722505124
oct7404111
93628770
101968201
111124814
127ab009
1353bb21
143933bb
1528d286
hex1e0849

1968201 has 12 divisors (see below), whose sum is σ = 2941380. Its totient is φ = 1266720.

The previous prime is 1968199. The next prime is 1968203. The reversal of 1968201 is 1028691.

It is an interprime number because it is at equal distance from previous prime (1968199) and next prime (1968203).

It can be written as a sum of positive squares in 2 ways, for example, as 585225 + 1382976 = 765^2 + 1176^2 .

It is not a de Polignac number, because 1968201 - 21 = 1968199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1968203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3510 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (245115).

21968201 is an apocalyptic number.

It is an amenable number.

1968201 is a deficient number, since it is larger than the sum of its proper divisors (973179).

1968201 is a wasteful number, since it uses less digits than its factorization.

1968201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576 (or 7573 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1968201 is about 1402.9258711707. The cubic root of 1968201 is about 125.3207973416.

The spelling of 1968201 in words is "one million, nine hundred sixty-eight thousand, two hundred one".

Divisors: 1 3 9 29 87 261 7541 22623 67869 218689 656067 1968201