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945745844 = 22477170853
BaseRepresentation
bin111000010111101…
…110111110110100
32102220120212101212
4320113232332310
53414102331334
6233502340552
732302464341
oct7027567664
92386525355
10945745844
1144593793a
1222488a758
13120c22634
148d8677c8
1558065ece
hex385eefb4

945745844 has 24 divisors (see below), whose sum is σ = 1714099968. Its totient is φ = 456286880.

The previous prime is 945745807. The next prime is 945745849. The reversal of 945745844 is 448547549.

It is a junction number, because it is equal to n+sod(n) for n = 945745792 and 945745801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945745849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22079 + ... + 48774.

It is an arithmetic number, because the mean of its divisors is an integer number (71420832).

Almost surely, 2945745844 is an apocalyptic number.

945745844 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

945745844 is a deficient number, since it is larger than the sum of its proper divisors (768354124).

945745844 is a wasteful number, since it uses less digits than its factorization.

945745844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70975 (or 70973 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 50.

The square root of 945745844 is about 30752.9810587527. The cubic root of 945745844 is about 981.5779950263.

The spelling of 945745844 in words is "nine hundred forty-five million, seven hundred forty-five thousand, eight hundred forty-four".

Divisors: 1 2 4 47 71 94 142 188 284 3337 6674 13348 70853 141706 283412 3330091 5030563 6660182 10061126 13320364 20122252 236436461 472872922 945745844