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961380829 = 19252120071
BaseRepresentation
bin111001010011011…
…000000111011101
32111000000012120101
4321103120013131
53432103141304
6235221421101
732552413363
oct7123300735
92430005511
10961380829
11453746712
12229b6a791
13124237cc6
1491977633
15596038a4
hex394d81dd

961380829 has 8 divisors (see below), whose sum is σ = 1012431680. Its totient is φ = 910375200.

The previous prime is 961380809. The next prime is 961380899. The reversal of 961380829 is 928083169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 961380829 - 223 = 952992221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961380809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37864 + ... + 57934.

It is an arithmetic number, because the mean of its divisors is an integer number (126553960).

Almost surely, 2961380829 is an apocalyptic number.

It is an amenable number.

961380829 is a deficient number, since it is larger than the sum of its proper divisors (51050851).

961380829 is a wasteful number, since it uses less digits than its factorization.

961380829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 961380829 is about 31006.1417948122. The cubic root of 961380829 is about 986.9575777479.

The spelling of 961380829 in words is "nine hundred sixty-one million, three hundred eighty thousand, eight hundred twenty-nine".

Divisors: 1 19 2521 20071 47899 381349 50598991 961380829