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1380244 = 223111131
BaseRepresentation
bin101010000111110010100
32121010100011
411100332110
5323131434
645330004
714506015
oct5207624
92533304
101380244
11862aa8
12566904
13394318
1427d00c
151c3e64
hex150f94

1380244 has 12 divisors (see below), whose sum is σ = 2493568. Its totient is φ = 667800.

The previous prime is 1380241. The next prime is 1380251. The reversal of 1380244 is 4420831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380241) 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, 5442 + ... + 5689.

21380244 is an apocalyptic number.

It is an amenable number.

1380244 is a deficient number, since it is larger than the sum of its proper divisors (1113324).

1380244 is a wasteful number, since it uses less digits than its factorization.

1380244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1380244 is about 1174.8378611536. The cubic root of 1380244 is about 111.3401894575.

The spelling of 1380244 in words is "one million, three hundred eighty thousand, two hundred forty-four".

Divisors: 1 2 4 31 62 124 11131 22262 44524 345061 690122 1380244