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994445740 = 225476911531
BaseRepresentation
bin111011010001100…
…000100110101100
32120022020002002201
4323101200212230
54014034230430
6242402231244
733433435501
oct7321404654
92508202081
10994445740
1147037a892
12239055524
1312b044042
14961034a8
155c4858ca
hex3b4609ac

994445740 has 48 divisors (see below), whose sum is σ = 2137250304. Its totient is φ = 388497600.

The previous prime is 994445723. The next prime is 994445741. The reversal of 994445740 is 47544499.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (994445741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648775 + ... + 650305.

It is an arithmetic number, because the mean of its divisors is an integer number (44526048).

Almost surely, 2994445740 is an apocalyptic number.

It is an amenable number.

994445740 is an abundant number, since it is smaller than the sum of its proper divisors (1142804564).

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

994445740 is a wasteful number, since it uses less digits than its factorization.

994445740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 994445740 is about 31534.8337557058. The cubic root of 994445740 is about 998.1451416276.

The spelling of 994445740 in words is "nine hundred ninety-four million, four hundred forty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 691 940 1382 1531 2764 3062 3455 6124 6910 7655 13820 15310 30620 32477 64954 71957 129908 143914 162385 287828 324770 359785 649540 719570 1057921 1439140 2115842 4231684 5289605 10579210 21158420 49722287 99444574 198889148 248611435 497222870 994445740