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1308027 = 37199313
BaseRepresentation
bin100111111010101111011
32110110021110
410333111323
5313324102
644011403
714055330
oct4772573
92413243
101308027
11813816
12530b63
1336a4a6
14260987
151ac86c
hex13f57b

1308027 has 16 divisors (see below), whose sum is σ = 2009600. Its totient is φ = 741312.

The previous prime is 1308019. The next prime is 1308029. The reversal of 1308027 is 7208031.

It is not a de Polignac number, because 1308027 - 23 = 1308019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1307994 and 1308012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4023 + ... + 4335.

It is an arithmetic number, because the mean of its divisors is an integer number (125600).

21308027 is an apocalyptic number.

1308027 is a deficient number, since it is larger than the sum of its proper divisors (701573).

1308027 is a wasteful number, since it uses less digits than its factorization.

1308027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1308027 is about 1143.6900803977. The cubic root of 1308027 is about 109.3634585917.

The spelling of 1308027 in words is "one million, three hundred eight thousand, twenty-seven".

Divisors: 1 3 7 21 199 313 597 939 1393 2191 4179 6573 62287 186861 436009 1308027