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961368750 = 23655211
BaseRepresentation
bin111001010011010…
…101001010101110
32110222222121000000
4321103111022232
53432102300000
6235221245130
732552333226
oct7123251256
92428877000
10961368750
11453738631
12229b637a6
13124232664
1491973086
1559600000
hex394d52ae

961368750 has 168 divisors, whose sum is σ = 2715248088. Its totient is φ = 255150000.

The previous prime is 961368739. The next prime is 961368757. The reversal of 961368750 is 57863169.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 961368696 and 961368705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961368757) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 4556145 + ... + 4556355.

It is an arithmetic number, because the mean of its divisors is an integer number (16162191).

Almost surely, 2961368750 is an apocalyptic number.

961368750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 961368750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357624044).

961368750 is an abundant number, since it is smaller than the sum of its proper divisors (1753879338).

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

961368750 is an frugal number, since it uses more digits than its factorization.

961368750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 961368750 is about 31005.9470102108. The cubic root of 961368750 is about 986.9534442800.

The spelling of 961368750 in words is "nine hundred sixty-one million, three hundred sixty-eight thousand, seven hundred fifty".