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13346780 = 2251394801
BaseRepresentation
bin110010111010…
…011111011100
3221010002100012
4302322133130
511404044110
61154022352
7221305616
oct62723734
927102305
1013346780
1175966a7
1245779b8
1329c4005
141ab5db6
151289905
hexcba7dc

13346780 has 24 divisors (see below), whose sum is σ = 28235760. Its totient is φ = 5299200.

The previous prime is 13346779. The next prime is 13346783. The reversal of 13346780 is 8764331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13346783) 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, 380 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1176490).

Almost surely, 213346780 is an apocalyptic number.

13346780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346780 is an abundant number, since it is smaller than the sum of its proper divisors (14888980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13346780 is a wasteful number, since it uses less digits than its factorization.

13346780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13346780 is about 3653.3245133713. The cubic root of 13346780 is about 237.2059074482.

The spelling of 13346780 in words is "thirteen million, three hundred forty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 4801 9602 19204 24005 48010 96020 667339 1334678 2669356 3336695 6673390 13346780