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961825349 = 4507213407
BaseRepresentation
bin111001010101000…
…100101001000101
32111000211210100002
4321111010221011
53432211402344
6235235131045
732556244352
oct7125045105
92430753302
10961825349
11453a1a691
1222a143a85
13124362434
1491a51629
155969044e
hex39544a45

961825349 has 4 divisors (see below), whose sum is σ = 962043264. Its totient is φ = 961607436.

The previous prime is 961825289. The next prime is 961825379. The reversal of 961825349 is 943528169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943528169 = 1755501657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-961825349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961825379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102197 + ... + 111210.

It is an arithmetic number, because the mean of its divisors is an integer number (240510816).

Almost surely, 2961825349 is an apocalyptic number.

It is an amenable number.

961825349 is a deficient number, since it is larger than the sum of its proper divisors (217915).

961825349 is a wasteful number, since it uses less digits than its factorization.

961825349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217914.

The product of its digits is 466560, while the sum is 47.

The square root of 961825349 is about 31013.3092236220. The cubic root of 961825349 is about 987.1096696725.

The spelling of 961825349 in words is "nine hundred sixty-one million, eight hundred twenty-five thousand, three hundred forty-nine".

Divisors: 1 4507 213407 961825349