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2543944944 = 243149355697
BaseRepresentation
bin1001011110100001…
…1000010011110000
320120021212210102010
42113220120103300
520202222214234
61100233322520
7120020114052
oct22750302360
96507783363
102543944944
111095a99542
125abb66440
13317077788
141a1c0d8d2
15ed50b6e9
hex97a184f0

2543944944 has 40 divisors (see below), whose sum is σ = 6615982800. Its totient is φ = 842288128.

The previous prime is 2543944927. The next prime is 2543945003. The reversal of 2543944944 is 4494493452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2543944893 and 2543944902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170697 + ... + 185000.

It is an arithmetic number, because the mean of its divisors is an integer number (165399570).

Almost surely, 22543944944 is an apocalyptic number.

2543944944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2543944944 is an abundant number, since it is smaller than the sum of its proper divisors (4072037856).

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

2543944944 is a wasteful number, since it uses less digits than its factorization.

2543944944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355857 (or 355851 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The square root of 2543944944 is about 50437.5350706198. The cubic root of 2543944944 is about 1365.1149914530.

The spelling of 2543944944 in words is "two billion, five hundred forty-three million, nine hundred forty-four thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 149 298 447 596 894 1192 1788 2384 3576 7152 355697 711394 1067091 1422788 2134182 2845576 4268364 5691152 8536728 17073456 52998853 105997706 158996559 211995412 317993118 423990824 635986236 847981648 1271972472 2543944944