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994813407 = 3478831987
BaseRepresentation
bin111011010010111…
…010010111011111
32120022220202110000
4323102322113133
54014133012112
6242414145343
733436526430
oct7322722737
92508822400
10994813407
11470601045
122391b2253
1312b1424b3
149619b487
155c5097dc
hex3b4ba5df

994813407 has 40 divisors (see below), whose sum is σ = 1701155456. Its totient is φ = 567535248.

The previous prime is 994813399. The next prime is 994813439. The reversal of 994813407 is 704318499.

It is not a de Polignac number, because 994813407 - 23 = 994813399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994813507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499668 + ... + 501654.

Almost surely, 2994813407 is an apocalyptic number.

994813407 is a deficient number, since it is larger than the sum of its proper divisors (706342049).

994813407 is a wasteful number, since it uses less digits than its factorization.

994813407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 994813407 is about 31540.6627546093. The cubic root of 994813407 is about 998.2681380523.

The spelling of 994813407 in words is "nine hundred ninety-four million, eight hundred thirteen thousand, four hundred seven".

Divisors: 1 3 7 9 21 27 63 81 189 567 883 1987 2649 5961 6181 7947 13909 17883 18543 23841 41727 53649 55629 71523 125181 160947 166887 375543 500661 1126629 1754521 5263563 12281647 15790689 36844941 47372067 110534823 142116201 331604469 994813407