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1021412 = 22736479
BaseRepresentation
bin11111001010111100100
31220220010002
43321113210
5230141122
633520432
711452610
oct3712744
91826102
101021412
11638447
12413118
13299bb2
141c8340
15152992
hexf95e4

1021412 has 12 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 437736.

The previous prime is 1021403. The next prime is 1021417. The reversal of 1021412 is 2141201.

1021412 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1021393 and 1021402.

It is not an unprimeable number, because it can be changed into a prime (1021417) 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, 18212 + ... + 18267.

It is an arithmetic number, because the mean of its divisors is an integer number (170240).

21021412 is an apocalyptic number.

It is an amenable number.

1021412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021412 is a wasteful number, since it uses less digits than its factorization.

1021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36490 (or 36488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1021412 is about 1010.6492962447. The cubic root of 1021412 is about 100.7086989267.

Adding to 1021412 its reverse (2141201), we get a palindrome (3162613).

The spelling of 1021412 in words is "one million, twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 36479 72958 145916 255353 510706 1021412