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940693442 = 213280112917
BaseRepresentation
bin111000000100011…
…101011111000010
32102120002011210212
4320010131133002
53411304142232
6233202154122
732211522323
oct7004353702
92376064725
10940693442
11442aa69a7
12223052942
1311cb73a50
148cd1044a
15578b8eb2
hex3811d7c2

940693442 has 16 divisors (see below), whose sum is σ = 1520241912. Its totient is φ = 433977600.

The previous prime is 940693433. The next prime is 940693447. The reversal of 940693442 is 244396049.

It can be written as a sum of positive squares in 4 ways, for example, as 675948001 + 264745441 = 25999^2 + 16271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 940693442.

It is not an unprimeable number, because it can be changed into a prime (940693447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66368 + ... + 79284.

Almost surely, 2940693442 is an apocalyptic number.

940693442 is a deficient number, since it is larger than the sum of its proper divisors (579548470).

940693442 is a wasteful number, since it uses less digits than its factorization.

940693442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 940693442 is about 30670.7261407356. The cubic root of 940693442 is about 979.8269311203.

The spelling of 940693442 in words is "nine hundred forty million, six hundred ninety-three thousand, four hundred forty-two".

Divisors: 1 2 13 26 2801 5602 12917 25834 36413 72826 167921 335842 36180517 72361034 470346721 940693442