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13077830 = 2510131291
BaseRepresentation
bin110001111000…
…110101000110
3220121102102002
4301320311012
511321442310
61144145302
7216105533
oct61706506
926542362
1013077830
117422627
124468232
13292b77c
141a45d8a
151234da5
hexc78d46

13077830 has 16 divisors (see below), whose sum is σ = 23581584. Its totient is φ = 5221920.

The previous prime is 13077821. The next prime is 13077839. The reversal of 13077830 is 3877031.

13077830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13077821) and next prime (13077839).

It is a junction number, because it is equal to n+sod(n) for n = 13077793 and 13077802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13077839) 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, 9485 + ... + 10775.

It is an arithmetic number, because the mean of its divisors is an integer number (1473849).

Almost surely, 213077830 is an apocalyptic number.

13077830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13077830 is a deficient number, since it is larger than the sum of its proper divisors (10503754).

13077830 is a wasteful number, since it uses less digits than its factorization.

13077830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 13077830 is about 3616.3282483757. The cubic root of 13077830 is about 235.6017774326.

The spelling of 13077830 in words is "thirteen million, seventy-seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 1013 1291 2026 2582 5065 6455 10130 12910 1307783 2615566 6538915 13077830