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13412040 = 2335111767
BaseRepresentation
bin110011001010…
…011011001000
3221020101212020
4303022123020
511413141130
61155244440
7222000105
oct63123310
927211766
1013412040
117630734
1245a9720
132a17925
141ad1aac
15129de10
hexcca6c8

13412040 has 32 divisors (see below), whose sum is σ = 40236480. Its totient is φ = 3576512.

The previous prime is 13412029. The next prime is 13412041. The reversal of 13412040 is 4021431.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13412041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55764 + ... + 56003.

It is an arithmetic number, because the mean of its divisors is an integer number (1257390).

Almost surely, 213412040 is an apocalyptic number.

13412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13412040 is an abundant number, since it is smaller than the sum of its proper divisors (26824440).

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

13412040 is a wasteful number, since it uses less digits than its factorization.

13412040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111781 (or 111777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13412040 is about 3662.2452129807. The cubic root of 13412040 is about 237.5918905734.

Adding to 13412040 its reverse (4021431), we get a palindrome (17433471).

The spelling of 13412040 in words is "thirteen million, four hundred twelve thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 111767 223534 335301 447068 558835 670602 894136 1117670 1341204 1676505 2235340 2682408 3353010 4470680 6706020 13412040