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1396892 = 22727127
BaseRepresentation
bin101010101000010011100
32121222011202
411111002130
5324200032
645535032
714605400
oct5250234
92558152
101396892
11874562
12574478
1339ba83
14285100
151c8d62
hex15509c

1396892 has 18 divisors (see below), whose sum is σ = 2844072. Its totient is φ = 598584.

The previous prime is 1396877. The next prime is 1396903. The reversal of 1396892 is 2986931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3368 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

21396892 is an apocalyptic number.

It is an amenable number.

1396892 is an abundant number, since it is smaller than the sum of its proper divisors (1447180).

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

1396892 is a wasteful number, since it uses less digits than its factorization.

1396892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145 (or 7136 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1396892 is about 1181.9018571777. The cubic root of 1396892 is about 111.7860498914.

It can be divided in two parts, 139689 and 2, that multiplied together give a triangular number (279378 = T747).

The spelling of 1396892 in words is "one million, three hundred ninety-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 7127 14254 28508 49889 99778 199556 349223 698446 1396892