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7799045 = 53742157
BaseRepresentation
bin11101110000000100000101
3112200020021112
4131300010011
53444032140
6435054405
7123201512
oct35600405
915606245
107799045
1144475a1
122741405
131800b27
141070309
15a40c65
hex770105

7799045 has 8 divisors (see below), whose sum is σ = 9612024. Its totient is φ = 6070464.

The previous prime is 7799041. The next prime is 7799069. The reversal of 7799045 is 5409977.

It is a happy number.

7799045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1085764 + 6713281 = 1042^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7799045 - 22 = 7799041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7798993 and 7799011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7799041) 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, 20894 + ... + 21263.

It is an arithmetic number, because the mean of its divisors is an integer number (1201503).

Almost surely, 27799045 is an apocalyptic number.

It is an amenable number.

7799045 is a deficient number, since it is larger than the sum of its proper divisors (1812979).

7799045 is a wasteful number, since it uses less digits than its factorization.

7799045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42199.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7799045 is about 2792.6770310940. The cubic root of 7799045 is about 198.3111541394.

It can be divided in two parts, 77 and 99045, that multiplied together give a triangular number (7626465 = T3905).

The spelling of 7799045 in words is "seven million, seven hundred ninety-nine thousand, forty-five".

Divisors: 1 5 37 185 42157 210785 1559809 7799045