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13459090 = 252575237
BaseRepresentation
bin110011010101…
…111010010010
3221022210101211
4303111322102
511421142330
61200250334
7222254221
oct63257222
927283354
1013459090
117663017
1246109aa
132a33178
141b04cb8
1512acd2a
hexcd5e92

13459090 has 16 divisors (see below), whose sum is σ = 24325272. Its totient is φ = 5361664.

The previous prime is 13459081. The next prime is 13459097. The reversal of 13459090 is 9095431.

It can be written as a sum of positive squares in 4 ways, for example, as 13402921 + 56169 = 3661^2 + 237^2 .

It is a super-2 number, since 2×134590902 = 362294207256200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13459097) by changing a digit.

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, 49 + ... + 5188.

Almost surely, 213459090 is an apocalyptic number.

13459090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13459090 is a deficient number, since it is larger than the sum of its proper divisors (10866182).

13459090 is a wasteful number, since it uses less digits than its factorization.

13459090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 13459090 is about 3668.6632442894. The cubic root of 13459090 is about 237.8693937741.

The spelling of 13459090 in words is "thirteen million, four hundred fifty-nine thousand, ninety".

Divisors: 1 2 5 10 257 514 1285 2570 5237 10474 26185 52370 1345909 2691818 6729545 13459090