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4400801965 = 57217962457
BaseRepresentation
bin1000001100100111…
…01110100010101101
3102100200212220101101
410012103232202231
533003101130330
62004404243101
7214025125300
oct40623564255
912320786341
104400801965
11195915771a
12a299a0491
13551984041
142da686b37
151ab5464ca
hex1064ee8ad

4400801965 has 12 divisors (see below), whose sum is σ = 6143160636. Its totient is φ = 3017692608.

The previous prime is 4400801927. The next prime is 4400801981. The reversal of 4400801965 is 5691080044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2930923044 + 1469878921 = 54138^2 + 38339^2 .

It is not a de Polignac number, because 4400801965 - 29 = 4400801453 is a prime.

It is a super-2 number, since 2×44008019652 = 38734115870295722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8980984 + ... + 8981473.

It is an arithmetic number, because the mean of its divisors is an integer number (511930053).

Almost surely, 24400801965 is an apocalyptic number.

It is an amenable number.

4400801965 is a deficient number, since it is larger than the sum of its proper divisors (1742358671).

4400801965 is a wasteful number, since it uses less digits than its factorization.

4400801965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17962476 (or 17962469 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 4400801965 is about 66338.5405703201. The cubic root of 4400801965 is about 1638.7420907569.

The spelling of 4400801965 in words is "four billion, four hundred million, eight hundred one thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 49 245 17962457 89812285 125737199 628685995 880160393 4400801965