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1020307 = 29151233
BaseRepresentation
bin11111001000110010011
31220211121011
43321012103
5230122212
633511351
711446441
oct3710623
91824534
101020307
11637632
12412557
13299542
141c7b91
151524a7
hexf9193

1020307 has 8 divisors (see below), whose sum is σ = 1067040. Its totient is φ = 974400.

The previous prime is 1020301. The next prime is 1020329. The reversal of 1020307 is 7030201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020307 - 219 = 496019 is a prime.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 1020307 parts by 1428 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

21020307 is an apocalyptic number.

1020307 is a deficient number, since it is larger than the sum of its proper divisors (46733).

1020307 is a wasteful number, since it uses less digits than its factorization.

1020307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 1020307 is about 1010.1024700494. The cubic root of 1020307 is about 100.6723690662.

Adding to 1020307 its reverse (7030201), we get a palindrome (8050508).

The spelling of 1020307 in words is "one million, twenty thousand, three hundred seven".

Divisors: 1 29 151 233 4379 6757 35183 1020307