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1339481 = 1113171929
BaseRepresentation
bin101000111000001011001
32112001102102
411013001121
5320330411
644413145
714246123
oct5070131
92461372
101339481
11835410
125471b5
1337b8c0
1426c213
151b6d3b
hex147059

1339481 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 967680.

The previous prime is 1339463. The next prime is 1339487. The reversal of 1339481 is 1849331.

1339481 = T59 + T60 + ... + T201.

It is a cyclic number.

It is not a de Polignac number, because 1339481 - 210 = 1338457 is a prime.

It is a super-2 number, since 2×13394812 = 3588418698722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46175 + ... + 46203.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

21339481 is an apocalyptic number.

1339481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1339481 is a deficient number, since it is larger than the sum of its proper divisors (474919).

1339481 is a wasteful number, since it uses less digits than its factorization.

1339481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89.

The product of its digits is 2592, while the sum is 29.

The square root of 1339481 is about 1157.3594947120. The cubic root of 1339481 is about 110.2331418769.

The spelling of 1339481 in words is "one million, three hundred thirty-nine thousand, four hundred eighty-one".

Divisors: 1 11 13 17 19 29 143 187 209 221 247 319 323 377 493 551 2431 2717 3553 4147 4199 5423 6061 6409 7163 9367 46189 70499 78793 103037 121771 1339481