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13409792 = 29112381
BaseRepresentation
bin110011001001…
…111000000000
3221020021202222
4303021320000
511413103132
61155230212
7221660414
oct63117000
927207688
1013409792
117629a80
1245a8368
132a168b6
141ad0d44
15129d412
hexcc9e00

13409792 has 40 divisors (see below), whose sum is σ = 29241432. Its totient is φ = 6092800.

The previous prime is 13409791. The next prime is 13409797. The reversal of 13409792 is 29790431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442 + ... + 6822.

Almost surely, 213409792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13409792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14620716).

13409792 is an abundant number, since it is smaller than the sum of its proper divisors (15831640).

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

13409792 is an equidigital number, since it uses as much as digits as its factorization.

13409792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 13409792 is about 3661.9382845701. The cubic root of 13409792 is about 237.5786155256.

The spelling of 13409792 in words is "thirteen million, four hundred nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1408 2381 2816 4762 5632 9524 19048 26191 38096 52382 76192 104764 152384 209528 304768 419056 609536 838112 1219072 1676224 3352448 6704896 13409792