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944132740 = 225176614201
BaseRepresentation
bin111000010001100…
…101001010000100
32102210112220122021
4320101211022010
53413144221430
6233404012524
732252665405
oct7021451204
92383486567
10944132740
11444a359a1
12224231144
131207a9335
148d5679ac
1557d4807a
hex38465284

944132740 has 48 divisors (see below), whose sum is σ = 2102983344. Its totient is φ = 354816000.

The previous prime is 944132731. The next prime is 944132747. The reversal of 944132740 is 47231449.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1397124 + 942735616 = 1182^2 + 30704^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 944132696 and 944132705.

It is not an unprimeable number, because it can be changed into a prime (944132747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222640 + ... + 226840.

It is an arithmetic number, because the mean of its divisors is an integer number (43812153).

Almost surely, 2944132740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 944132740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051491672).

944132740 is an abundant number, since it is smaller than the sum of its proper divisors (1158850604).

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

944132740 is a wasteful number, since it uses less digits than its factorization.

944132740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888 (or 4886 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 944132740 is about 30726.7430750478. The cubic root of 944132740 is about 981.0196038247.

The spelling of 944132740 in words is "nine hundred forty-four million, one hundred thirty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 661 1322 2644 3305 4201 6610 8402 11237 13220 16804 21005 22474 42010 44948 56185 71417 84020 112370 142834 224740 285668 357085 714170 1428340 2776861 5553722 11107444 13884305 27768610 47206637 55537220 94413274 188826548 236033185 472066370 944132740