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196832641 = 1493131837
BaseRepresentation
bin10111011101101…
…10110110000001
3111201101010121211
423232312312001
5400342121031
631310450121
74610023045
oct1356666601
9451333554
10196832641
11a111a305
1255b03941
1331a18725
141c1da025
1512430bb1
hexbbb6d81

196832641 has 4 divisors (see below), whose sum is σ = 196965972. Its totient is φ = 196699312.

The previous prime is 196832639. The next prime is 196832651. The reversal of 196832641 is 146238691.

196832641 = 99202 + 99212.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146238691 = 1061137831.

It can be written as a sum of positive squares in 2 ways, for example, as 98406400 + 98426241 = 9920^2 + 9921^2 .

It is a cyclic number.

It is not a de Polignac number, because 196832641 - 21 = 196832639 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196832594 and 196832603.

It is not an unprimeable number, because it can be changed into a prime (196832621) 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, 64426 + ... + 67411.

It is an arithmetic number, because the mean of its divisors is an integer number (49241493).

Almost surely, 2196832641 is an apocalyptic number.

196832641 is the 9921-st centered square number.

It is an amenable number.

196832641 is a deficient number, since it is larger than the sum of its proper divisors (133331).

196832641 is a wasteful number, since it uses less digits than its factorization.

196832641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133330.

The product of its digits is 62208, while the sum is 40.

The square root of 196832641 is about 14029.7056633416. The cubic root of 196832641 is about 581.6999679714.

The spelling of 196832641 in words is "one hundred ninety-six million, eight hundred thirty-two thousand, six hundred forty-one".

Divisors: 1 1493 131837 196832641