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4240880865 = 325137249369
BaseRepresentation
bin1111110011000110…
…1011010011100001
3101221112222001212200
43330301223103201
532141131141430
61540452443413
7210043615104
oct37461532341
911845861780
104240880865
111886959621
129a4319569
135277c0480
142c333873b
1519c4a7460
hexfcc6b4e1

4240880865 has 24 divisors (see below), whose sum is σ = 7916312040. Its totient is φ = 2087817984.

The previous prime is 4240880851. The next prime is 4240880893. The reversal of 4240880865 is 5680880424.

It can be written as a sum of positive squares in 4 ways, for example, as 841058001 + 3399822864 = 29001^2 + 58308^2 .

It is not a de Polignac number, because 4240880865 - 212 = 4240876769 is a prime.

It is a super-2 number, since 2×42408808652 = 35970141022246296450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4240880865.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3624100 + ... + 3625269.

It is an arithmetic number, because the mean of its divisors is an integer number (329846335).

Almost surely, 24240880865 is an apocalyptic number.

4240880865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4240880865 is a deficient number, since it is larger than the sum of its proper divisors (3675431175).

4240880865 is a wasteful number, since it uses less digits than its factorization.

4240880865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249393 (or 7249390 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 4240880865 is about 65122.0459214850. The cubic root of 4240880865 is about 1618.6465433004.

The spelling of 4240880865 in words is "four billion, two hundred forty million, eight hundred eighty thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 7249369 21748107 36246845 65244321 94241797 108740535 282725391 326221605 471208985 848176173 1413626955 4240880865