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13880470 = 252775011
BaseRepresentation
bin110100111100…
…110010010110
3222010012102111
4310330302112
512023133340
61213301234
7225660562
oct64746226
928105374
1013880470
11792066a
12479481a
132b4cbc6
141bb46a2
151342aea
hexd3cc96

13880470 has 16 divisors (see below), whose sum is σ = 25080048. Its totient is φ = 5531040.

The previous prime is 13880459. The next prime is 13880491. The reversal of 13880470 is 7408831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (1567503).

Almost surely, 213880470 is an apocalyptic number.

13880470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13880470 is a deficient number, since it is larger than the sum of its proper divisors (11199578).

13880470 is a wasteful number, since it uses less digits than its factorization.

13880470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13880470 is about 3725.6502788104. The cubic root of 13880470 is about 240.3263500123.

It can be divided in two parts, 138 and 80470, that added together give a palindrome (80608).

The spelling of 13880470 in words is "thirteen million, eight hundred eighty thousand, four hundred seventy".

Divisors: 1 2 5 10 277 554 1385 2770 5011 10022 25055 50110 1388047 2776094 6940235 13880470