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1941134144 = 2689340789
BaseRepresentation
bin111001110110011…
…0101101101000000
312000021120211110012
41303230311231000
512433412243034
6520341124052
766050240135
oct16354655500
95007524405
101941134144
119067a08a4
124620b9628
1324c2066b1
14145b3458c
15b5635cce
hex73b35b40

1941134144 has 28 divisors (see below), whose sum is σ = 3895229700. Its totient is φ = 959659008.

The previous prime is 1941134123. The next prime is 1941134159. The reversal of 1941134144 is 4414311491.

It can be written as a sum of positive squares in 2 ways, for example, as 1304076544 + 637057600 = 36112^2 + 25240^2 .

It is a super-2 number, since 2×19411341442 = 7536003530005225472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1941134144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164699 + ... + 176090.

It is a self-describing number.

Almost surely, 21941134144 is an apocalyptic number.

It is an amenable number.

1941134144 is an abundant number, since it is smaller than the sum of its proper divisors (1954095556).

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

1941134144 is an equidigital number, since it uses as much as digits as its factorization.

1941134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340890 (or 340880 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 1941134144 is about 44058.3039165150. The cubic root of 1941134144 is about 1247.4366978989.

The spelling of 1941134144 in words is "one billion, nine hundred forty-one million, one hundred thirty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 89 178 356 712 1424 2848 5696 340789 681578 1363156 2726312 5452624 10905248 21810496 30330221 60660442 121320884 242641768 485283536 970567072 1941134144