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13427690 = 257271847
BaseRepresentation
bin110011001110…
…001111101010
3221021012022212
4303032033222
511414141230
61155445122
7222063533
oct63161752
927235285
1013427690
117641471
1245b67a2
132a21aa3
141ad768a
1512a3895
hexcce3ea

13427690 has 16 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 5360784.

The previous prime is 13427683. The next prime is 13427719. The reversal of 13427690 is 9672431.

It is a super-2 number, since 2×134276902 = 360605717472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6347 + ... + 8193.

It is an arithmetic number, because the mean of its divisors is an integer number (1513512).

Almost surely, 213427690 is an apocalyptic number.

13427690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13427690 is a deficient number, since it is larger than the sum of its proper divisors (10788502).

13427690 is a wasteful number, since it uses less digits than its factorization.

13427690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13427690 is about 3664.3812574567. The cubic root of 13427690 is about 237.6842669698.

The spelling of 13427690 in words is "thirteen million, four hundred twenty-seven thousand, six hundred ninety".

Divisors: 1 2 5 10 727 1454 1847 3635 3694 7270 9235 18470 1342769 2685538 6713845 13427690