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961444812 = 22389512
BaseRepresentation
bin111001010011100…
…111101111001100
32111000010110100010
4321103213233030
53432112213222
6235223033220
732553101046
oct7123475714
92430113303
10961444812
1145378a799
12229b9b810
1312425b173
1491992a96
155961780c
hex394e7bcc

961444812 has 18 divisors (see below), whose sum is σ = 2243621884. Its totient is φ = 320445800.

The previous prime is 961444811. The next prime is 961444817. The reversal of 961444812 is 218444169.

It is a super-2 number, since 2×9614448122 = 1848752253043430688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961444811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102937 + ... + 111887.

Almost surely, 2961444812 is an apocalyptic number.

It is an amenable number.

961444812 is an abundant number, since it is smaller than the sum of its proper divisors (1282177072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961444812 is an frugal number, since it uses more digits than its factorization.

961444812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909 (or 8956 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 961444812 is about 31007.1735570980. The cubic root of 961444812 is about 986.9794723340.

The spelling of 961444812 in words is "nine hundred sixty-one million, four hundred forty-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 8951 17902 26853 35804 53706 107412 80120401 160240802 240361203 320481604 480722406 961444812