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1013020 = 22550651
BaseRepresentation
bin11110111010100011100
31220110121021
43313110130
5224404040
633413524
711416261
oct3672434
91813537
101013020
11632108
1240a2a4
13296128
141c5268
1515024a
hexf751c

1013020 has 12 divisors (see below), whose sum is σ = 2127384. Its totient is φ = 405200.

The previous prime is 1013009. The next prime is 1013029. The reversal of 1013020 is 203101.

It is a junction number, because it is equal to n+sod(n) for n = 1012994 and 1013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25306 + ... + 25345.

It is an arithmetic number, because the mean of its divisors is an integer number (177282).

21013020 is an apocalyptic number.

1013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013020 is an abundant number, since it is smaller than the sum of its proper divisors (1114364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013020 is a wasteful number, since it uses less digits than its factorization.

1013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50660 (or 50658 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1013020 is about 1006.4889467848. The cubic root of 1013020 is about 100.4321299473.

Adding to 1013020 its reverse (203101), we get a palindrome (1216121).

The spelling of 1013020 in words is "one million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 50651 101302 202604 253255 506510 1013020