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968781492 = 223371281457
BaseRepresentation
bin111001101111100…
…110111010110100
32111111221012101000
4321233212322310
53441002001432
6240044203300
733002335560
oct7157467264
92444835330
10968781492
11457940968
12230539530
131259296b3
14929426a0
155a0b657c
hex39be6eb4

968781492 has 48 divisors (see below), whose sum is σ = 2870465920. Its totient is φ = 276794496.

The previous prime is 968781491. The next prime is 968781493. The reversal of 968781492 is 294187869.

It is an interprime number because it is at equal distance from previous prime (968781491) and next prime (968781493).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968781491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639973 + ... + 641484.

Almost surely, 2968781492 is an apocalyptic number.

It is an amenable number.

968781492 is an abundant number, since it is smaller than the sum of its proper divisors (1901684428).

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

968781492 is a wasteful number, since it uses less digits than its factorization.

968781492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281477 (or 1281469 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 968781492 is about 31125.2548905226. The cubic root of 968781492 is about 989.4836241897.

The spelling of 968781492 in words is "nine hundred sixty-eight million, seven hundred eighty-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1281457 2562914 3844371 5125828 7688742 8970199 11533113 15377484 17940398 23066226 26910597 34599339 35880796 46132452 53821194 69198678 80731791 107642388 138397356 161463582 242195373 322927164 484390746 968781492